440÷4= 32×3= 48÷4= 540÷9= 90÷9= 13×3=600×7= 120×3= 480÷2= 39÷3= 560÷8= 990÷3=3×200= 620÷2= 660÷2= 640÷8= 880÷4= 7500-500=0÷91= 12×4= 3×31= 0×57= 120×4= 0×97=360÷9= 44×2= 960÷3= 32×2= 2×440= 460÷2=70+500= 3×33= 280÷4= 9×400= 3×330= 690÷3=49+33= 700÷7= 23×3= 78-36= 11×4= 230×3=310×3= 390÷3= 230×3= 11×4= 82-55= 310×3=720÷9= 4700-700= 600÷3= 48+28= 640÷8= 480÷8=7×50= 800÷8= 880÷8= 9×500= 80+17= 54+28=42×3= 1700-800= 90÷3= 180÷3= 300÷5= 930÷3=800÷4= 60-15= 900÷3= 450÷9= 360÷6= 37+56=32×3= 70×7= 1200-700= 300÷6= 50×7= 0×37=53-14= 17+27= 840÷4= 2×14= 140÷2= 660÷6=7×800= 7×700= 840÷2= 430×2= 540÷9= 31×3=13×3= 34+56= 96÷3= 2×330= 50×6= 680÷2=620÷2= 6×800= 960÷3= 1500-900= 1800-800= 63÷3=26+57= 800÷8= 33+57= 600×3= 37+8= 480÷8=630÷3= 62-33= 500+500= 33×2= 800÷2= 700÷8=0÷47= 560÷7= 440÷4= 93÷3= 24×2= 0÷54=23×3= 12×30= 7×80= 48×10= 40×40= 40×10=
竖式计算,脱式计算,口算 最好有分数的哦~
25 -15 -80 = 10 -80 = -70
26 -6 -64 = 20 -64 = -44
27 + 3 -48 = 30 -48 = -18
28 + 12 -32 = 40 -32 = 8
29 + 21 -16 = 50 -16 = 34
30 + 30 + 0 = 60 + 0 = 60
31 + 39 + 16 = 70 + 16 = 86
32 + 48 + 32 = 80 + 32 = 112
33 + 57 + 48 = 90 + 48 = 138
34 + 66 + 64 = 100 + 64 = 164
35 + 75 + 80 = 110 + 80 = 190
36 + 84 + 96 = 120 + 96 = 216
37 + 93 + 112 = 130 + 112 = 242
38 + 102 + 128 = 140 + 128 = 268
39 + 111 + 144 = 150 + 144 = 294
40 -30 -140 = 10 -140 = -130
41 -21 -124 = 20 -124 = -104
42 -12 -108 = 30 -108 = -78
43 -3 -92 = 40 -92 = -52
44 + 6 -76 = 50 -76 = -26
45 + 15 -60 = 60 -60 = 0
46 + 24 -44 = 70 -44 = 26
47 + 33 -28 = 80 -28 = 52
48 + 42 -12 = 90 -12 = 78
49 + 51 + 4 = 100 + 4 = 104
50 + 60 + 20 = 110 + 20 = 130
51 + 69 + 36 = 120 + 36 = 156
52 + 78 + 52 = 130 + 52 = 182
53 + 87 + 68 = 140 + 68 = 208
54 + 96 + 84 = 150 + 84 = 234
55 -45 -200 = 10 -200 = -190
56 -36 -184 = 20 -184 = -164
57 -27 -168 = 30 -168 = -138
58 -18 -152 = 40 -152 = -112
59 -9 -136 = 50 -136 = -86
60 + 0 -120 = 60 -120 = -60
61 + 9 -104 = 70 -104 = -34
62 + 18 -88 = 80 -88 = -8
63 + 27 -72 = 90 -72 = 18
64 + 36 -56 = 100 -56 = 44
65 + 45 -40 = 110 -40 = 70
66 + 54 -24 = 120 -24 = 96
67 + 63 -8 = 130 -8 = 122
68 + 72 + 8 = 140 + 8 = 148
69 + 81 + 24 = 150 + 24 = 174
70 -60 -260 = 10 -260 = -250
71 -51 -244 = 20 -244 = -224
72 -42 -228 = 30 -228 = -198
73 -33 -212 = 40 -212 = -172
74 -24 -196 = 50 -196 = -146
11 3^3-5
12 4^2-34%
13 3.25-315%
14 7^3+445%
15 12+5268.32-2569
16 123+456-52*8
17 45%+6325
18 1/2+1/3+1/4
19 789+456-78
20 45%+54%-36%
2. 脱式计算(能简算要简算)12%
6/7+2/15+1/7+ 13/15 19/21+5/7-3/14
2/3+5/9-2/3+5/9
8/9-(1/4-1/9)- 3/4
一、 计算(60%)
1 、 口算(14%)
3.5×2= 4.8÷1.2= 8-7.5= 1.4×0.5= 1- =
10.5-3.5= 0.6+2.5= 15×0.6= 1÷0.4= + =
4÷20= 1.25×0.8= 0.32×10= 2.5-2.5×0.4=
2、 怎样算简便就怎样算(12%)
12.5×3.2×0.25 4.56×101-4.56 (0.2+7.63÷0.7)×0.1
3、 解方程(12%)
0.12χ+1.8×0.9=7.2 (9-5χ)×0.3=1.02 6.4χ-χ=28+4.4
(时间:90分钟 总分:100分)
一 、填空(20分)
1.最大的四位数是( ),最小的五位数是( ).
2.用0、2、5这三个数字组成最大的三位数是( ).
3.7496100读作( ) ,约是( )万.
4.三千六百万零七十写作( ).
6.0.89由( )0.1和( )0.01组成.
7.被减数 、减数、差三者的和是24,被减数是( ).
8.72个0.01组成的数是( ).
9.9000公顷=( )平方千米.
10.3平方千米=( )平方米.
11.一个数千位和百分位上都是“9”,其余各位均为“0” ,这个数是( ).
12.0.37写成分数是( ).
13.被除数等于除数( )商.
14.两个因数的积是96,其中一个因数是6,另一个因数是( ).
15.499000约等于( )万.
16.万级上的计数单位有( ).
二、判断(16分)
1.亿以内数的读法 ,每级末尾不管有几个,都只读一个“零 ”. ( )
2.整数都比小数大. ( )
3.一个因数不变,另一个因数扩大10倍 ,积也扩大10倍. ( )
4.80.80读作:八十点八十. ( )
5.积一定比因数大. ( )
6.4角8分等于0.48元. ( )
7.3700÷200商是18余数是1. ( )
8.比较小数的大小要先比较整数部分,再比较小数部分. ( )
三 、计算(18分)
①8256÷258 ②107×39 ③321×109
④8897÷31 ⑤22119÷219 ⑥96×315
四、用简便方法计算(18分)
①728+199 ②637-201 ③16×25
④420÷35 ⑤36×5×4 ⑥720÷8÷9
五、应用题(28分)
1.一张办公桌的价钱是210元,是一把椅子的价钱的3倍 ,一把椅子多少元?(先列出含有未知数x的等式,再解答.)
2.一本故事书的价格是18.31元,比一本科技书贵1.49元,这本科技书多少元?(先列出含有未知数x的等式 ,再解答.)
3.新华书店运进文艺书2800册,运进的科技书比文艺书的2倍少1200册.运进科技书多少册?
4.有块长方形稻田,长900米 ,宽200米,共收水稻97200千克,平均每公顷收水稻多少千克?
5.从果园运走1500千克桃 ,运走的苹果是桃的4倍,桃和苹果一共运走多少千克?
2006—2007学年度第一学期
四年级数学期末检测题
( 检测时间:60分钟 )
学校 班级 姓名 评分
亲爱的同学:
你好!为了解一学期的学习情况,以利于今后更快地进步 ,相信你能轻松 、认真地作答。祝你考出好成绩!
一、计算:37'
1、口算:10'
450÷90= 250×80= 75÷15= 700+380=
600-320= 96÷8= 36+36= 90×9-9=
15×2×3= 99+101= 360-90= 200÷4×5=
505÷( )=5 ( )+1.8=2 90×( )=0 ( )÷3=21
98万-48万= 75亿+63亿= 1600÷40= 50×60=
2、列竖式计算,打★的要验算:9'
4080×50= 305÷61= 306×37= ★600÷67=
3 、脱式计算:18'
(76×32-2036)÷36 4×107×25 623÷89×(407-168)
592÷(71-34)+16 72×36+36×128 786÷6 + 136×5
二、填空: '
1、天王星到太阳的平均距离为2870990000千米,这个数读作( ) ,改写成用“万”做单位的数是( ),省略“亿”后面的位数约是( ) 。
2 、地球与太阳的平均距离是一亿四千九百五十九万七千八百七十千米,
这个数写作( )≈( )万≈( )亿。
3、一亿里面有( )个千万;与一亿相邻的数是( )和( )。
4、839500674这个数里,“8 ”在( )位上 ,表示( );百万位上是( ),表示( )个( );它是由( )个亿 、( )个万、( )个百、( )个十和( )个一组成的 。
5 、用四个“8”,三个“0” ,组成下面各数:
(1)只读出一个“0 ”的数,写作( );
(2)读出两个“0”的数,写作( );
(3)一个“0“也不读出的数 ,读作( )。
6、按照从小到大的顺序排列下面各数。88000 80800 80008 80080
7、两个不等于零的数相乘,其中一个数乘以5,要使积不变 ,另一个乘数要 。
8 、在584÷27中,把除数27看作 来试商,商的最高位是 ,商是 ,余数是 。
9、在○里填上“<”、“> ”或“=”。
9999999○1223456 24万○25000 24×15○2×15×12 34+66×3○(34+66)×3
10、如果3□2÷36的商是一位数,□里的数最大可以填( ),最小可以填( ) 。
11 、在一道除法算式中 ,被除数扩大10倍,除数也扩大10倍,商( )。
( )7、图 中 ,共有( )组平行线,有( )组互相垂直的线段。
12、一个数最小的因数是( ),最小倍数是( ) ,最大的因数是( ),一个数因数的个数是( )的,一个数倍数的个数是( )的 。如18的因数有( )。
12的倍数有( )。
13 、小明在计算一道除法算式时 ,把除数30看成36,算出的商是5,正确结果应是( )。
三、选择正确答案的序号填空 。
2、下面的数中 ,( )读的零最多。
A 、50005500 B 、50500505 C 、50055005 D 、55005005
4、下面的数中,( )最接近90万。
A 、 901000 B 、900090 C 、895000 D、 89999
5、( )6 、计算算式800÷16时,可以将它转化为
A、800÷10÷6 B、800÷8÷2 C 、800÷12÷4
6、三位数除以两位数,商可能是( ) 。
A、1位数 B 、2位数 C、3位数 D、1位数或2位数
7 、把一张长方形纸对折两次 ,折痕间的关系是( )。
A、互相平行 B、互相垂直 C 、可能互相平行,也可能垂直
8、明明画了一条比6厘米长2毫米的( )。 A、线段 B、射线 C 、直线
9、16、□72÷67的商是两位数,□中的数有( )种填法? A 、3 B、4 C、5
10 、四年级一班有男生24人 ,女生28人,每四人一组参加劳动,一共要分成( )组 。
A、24÷4+28 B、24+28÷4 C 、(24+28)÷4
(1)2.9 × 0.5 = 答案:1.45 (2)5.9 × 0.2 = 答案:1.18 (3)3.6 × 7 = 答案:25.2 (4)4.3 × 0.3 = 答案:1.29 (5)5.9 × 9 = 答案:53.1 (6)9.4 × 9 = 答案:84.6 (7)7.5 × 6 = 答案:45 (8)1.3 × 3 = 答案:3.9 (9)3.8 × 7 = 答案:26.6 (10)4.7 × 5 = 答案:23.5 (11)5.2 × 7 = 答案:36.4 (12)2.3 × 2 = 答案:4.6 (13)6.8 × 7 = 答案:47.6 (14)6.7 × 0.3 = 答案:2.01 (15)7.5 × 7 = 答案:52.5 (16)7.1 × 0.7 = 答案:4.97 (17)6.6 × 2 = 答案:13.2 (18)3.5 × 0.2 = 答案:0.7 (19)3.7 × 0.3 = 答案:1.11 (20)4 × 0.3 = 答案:1.2 (21)9.2 × 9 = 答案:82.8 (22)6.1 × 9 = 答案:54.9 (23)6.8 × 5 = 答案:34 (24)4.8 × 4 = 答案:19.2 (25)4.1 × 2 = 答案:8.2 (26)6.4 × 0.4 = 答案:2.56 (27)9.6 × 7 = 答案:67.2 (28)1.9 × 0.8 = 答案:1.52 (29)4.2 × 0.3 = 答案:1.26 (30)1.9 × 0.8 = 答案:1.52 (31)8.7 × 0.4 = 答案:3.48 (32)2.6 × 7 = 答案:18.2 (33)2.1 × 3 = 答案:6.3 (34)1.6 × 2 = 答案:3.2 (35)5.3 × 3 = 答案:15.9 (36)8.5 × 9 = 答案:76.5 (37)6.9 × 0.7 = 答案:4.83 (38)6.6 × 0.4 = 答案:2.64 (39)4.3 × 8 = 答案:34.4 (40)8.2 × 3 = 答案:24.6 (41)8.4 × 6 = 答案:50.4 (42)2 × 6 = 答案:12 (43)8.7 × 0.3 = 答案:2.61 (44)3.2 × 0.5 = 答案:1.6 (45)8.5 × 0.9 = 答案:7.65 (46)7.1 × 0.7 = 答案:4.97 (47)7.1 × 6 = 答案:42.6 (48)7.4 × 0.5 = 答案:3.7 (49)9.6 × 3 = 答案:28.8 (50)8.4 × 8 = 答案:67.2 (51)2.5 × 4 = 答案:10 (52)1.3 × 3 = 答案:3.9 (53)8 × 0.4 = 答案:3.2 (54)7.8 × 9 = 答案:70.2 (55)6 × 0.5 = 答案:3 (56)7.7 × 8 = 答案:61.6 (57)9.9 × 0.7 = 答案:6.93 (58)5.4 × 2 = 答案:10.8 (59)5.1 × 2 = 答案:10.2 (60)4.7 × 3 = 答案:14.1 (61)1.2 × 0.2 = 答案:0.24 (62)5.3 × 0.2 = 答案:1.06 (63)2.7 × 8 = 答案:21.6 (64)2 × 9 = 答案:18 (65)9.6 × 9 = 答案:86.4 (66)5.4 × 3 = 答案:16.2 (67)9.3 × 3 = 答案:27.9 (68)5.5 × 0.8 = 答案:4.4 (69)7.4 × 0.7 = 答案:5.18 (70)3.4 × 0.6 = 答案:2.04 (71)4.5 × 0.4 = 答案:1.8 (72)3.8 × 7 = 答案:26.6 (73)4.7 × 0.2 = 答案:0.94 (74)1.5 × 6 = 答案:9 (75)8 × 0.9 = 答案:7.2 (76)9.2 × 0.6 = 答案:5.52 (77)2.4 × 9 = 答案:21.6 (78)1.8 × 5 = 答案:9 (79)8.9 × 0.6 = 答案:5.34 (80)3.2 × 0.8 = 答案:2.56 (81)9.7 × 9 = 答案:87.3 (82)6 × 7 = 答案:42 (83)1.6 × 0.7 = 答案:1.12 (84)6.3 × 2 = 答案:12.6 (85)7.1 × 0.8 = 答案:5.68 (86)5.2 × 7 = 答案:36.4 (87)3.9 × 0.8 = 答案:3.12 (88)9.9 × 0.2 = 答案:1.98 (89)2.4 × 0.4 = 答案:0.96 (90)3.5 × 5 = 答案:17.5 (91)7.7 × 3 = 答案:23.1 (92)9.5 × 0.2 = 答案:1.9 (93)7.8 × 0.3 = 答案:2.34 (94)3.4 × 8 = 答案:27.2 (95)1.3 × 0.6 = 答案:0.78 (96)9 × 0.5 = 答案:4.5 (97)3.5 × 0.5 = 答案:1.75 (98)3.4 × 9 = 答案:30.6 (99)3.4 × 0.9 = 答案:3.06 (100)6.5 × 0.5 = 答案:3.25 1)7.4 × 6 = 答案:44.4 (2)2.3 × 5 = 答案:11.5 (3)5.1 × 0.4 = 答案:2.04 (4)9.6 × 4 = 答案:38.4 (5)5.4 × 5 = 答案:27 (6)1.5 × 0.8 = 答案:1.2 (7)9.4 × 2 = 答案:18.8 (8)1.6 × 0.8 = 答案:1.28 (9)7.5 × 0.7 = 答案:5.25 (10)3.7 × 9 = 答案:33.3 (11)1.8 × 0.6 = 答案:1.08 (12)3.5 × 7 = 答案:24.5 (13)9.3 × 4 = 答案:37.2 (14)2.7 × 0.7 = 答案:1.89 (15)5.2 × 7 = 答案:36.4 (16)3.8 × 0.2 = 答案:0.76 (17)1.2 × 0.9 = 答案:1.08 (18)6.1 × 7 = 答案:42.7 (19)3.8 × 0.7 = 答案:2.66 (20)1.6 × 5 = 答案:8 (21)5.9 × 0.3 = 答案:1.77 (22)9 × 9 = 答案:81 (23)7.1 × 0.3 = 答案:2.13 (24)9.7 × 2 = 答案:19.4 (25)5.8 × 0.8 = 答案:4.64 (26)1.7 × 6 = 答案:10.2 (27)9.6 × 0.5 = 答案:4.8 (28)1.8 × 4 = 答案:7.2 (29)4.3 × 0.6 = 答案:2.58 (30)1.3 × 9 = 答案:11.7 (31)2.9 × 8 = 答案:23.2 (32)5.6 × 7 = 答案:39.2 (33)5.3 × 0.6 = 答案:3.18 (34)5.4 × 0.7 = 答案:3.78 (35)5.3 × 0.2 = 答案:1.06 (36)8.3 × 2 = 答案:16.6 (37)9.5 × 3 = 答案:28.5 (38)7.3 × 2 = 答案:14.6 (39)2 × 0.5 = 答案:1 (40)5.2 × 0.6 = 答案:3.12 (41)9.7 × 7 = 答案:67.9 (42)6.1 × 8 = 答案:48.8 (43)6.7 × 0.2 = 答案:1.34 (44)8.6 × 6 = 答案:51.6 (45)3.1 × 0.5 = 答案:1.55 (46)8.2 × 6 = 答案:49.2 (47)1.5 × 6 = 答案:9 (48)8.4 × 2 = 答案:16.8 (49)1.3 × 6 = 答案:7.8 (50)8.9 × 0.5 = 答案:4.45 (51)6.7 × 2 = 答案:13.4 (52)5.4 × 6 = 答案:32.4 (53)6.3 × 9 = 答案:56.7 (54)6.4 × 3 = 答案:19.2 (55)8.5 × 0.2 = 答案:1.7 (56)1.5 × 0.5 = 答案:0.75 (57)3 × 0.4 = 答案:1.2 (58)6.8 × 5 = 答案:34 (59)8.7 × 0.3 = 答案:2.61 (60)5.6 × 6 = 答案:33.6 (61)5.5 × 0.7 = 答案:3.85 (62)9.6 × 0.3 = 答案:2.88 (63)9.6 × 7 = 答案:67.2 (64)8.3 × 3 = 答案:24.9 (65)9.5 × 0.5 = 答案:4.75 (66)5.5 × 9 = 答案:49.5 (67)1.9 × 9 = 答案:17.1 (68)2.2 × 7 = 答案:15.4 (69)3.8 × 0.9 = 答案:3.42 (70)1.8 × 0.7 = 答案:1.26 (71)4.6 × 0.2 = 答案:0.92 (72)1.3 × 0.2 = 答案:0.26 (73)4.3 × 0.9 = 答案:3.87 (74)1.4 × 2 = 答案:2.8 (75)7 × 5 = 答案:35 (76)2.5 × 7 = 答案:17.5 (77)6.4 × 0.4 = 答案:2.56 (78)6.3 × 5 = 答案:31.5 (79)3.1 × 4 = 答案:12.4 (80)5.8 × 0.7 = 答案:4.06 (81)1.2 × 8 = 答案:9.6 (82)6.5 × 0.5 = 答案:3.25 (83)3.9 × 0.9 = 答案:3.51 (84)9.3 × 3 = 答案:27.9 (85)2 × 2 = 答案:4 (86)3.7 × 5 = 答案:18.5 (87)1.1 × 3 = 答案:3.3 (88)6.5 × 5 = 答案:32.5 (89)2.7 × 0.8 = 答案:2.16 (90)8.4 × 8 = 答案:67.2 (91)4.2 × 0.8 = 答案:3.36 (92)6.9 × 2 = 答案:13.8 (93)6.6 × 2 = 答案:13.2 (94)9.5 × 0.8 = 答案:7.6 (95)6.6 × 0.7 = 答案:4.62 (96)1.7 × 0.5 = 答案:0.85 (97)6.9 × 9 = 答案:62.1 (98)8.4 × 6 = 答案:50.4 (99)9.4 × 0.5 = 答案:4.7 (100)8.4 × 0.5 = 答案:4.2 (1)5.6 × 8 = 答案:44.8 (2)3.9 × 5 = 答案:19.5 (3)5.4 × 0.4 = 答案:2.16 (4)7.3 × 0.2 = 答案:1.46 (5)9.4 × 8 = 答案:75.2 (6)3.8 × 0.3 = 答案:1.14 (7)8.6 × 0.4 = 答案:3.44 (8)7.3 × 4 = 答案:29.2 (9)4.8 × 0.4 = 答案:1.92 (10)1.3 × 4 = 答案:5.2 (11)7.3 × 8 = 答案:58.4 (12)8 × 4 = 答案:32 (13)3.2 × 6 = 答案:19.2 (14)4.7 × 0.3 = 答案:1.41 (15)4.6 × 0.9 = 答案:4.14 (16)9.9 × 4 = 答案:39.6 (17)8.2 × 0.5 = 答案:4.1 (18)8.2 × 0.5 = 答案:4.1 (19)5 × 0.8 = 答案:4 (20)5.7 × 9 = 答案:51.3 (21)3.9 × 5 = 答案:19.5 (22)7.3 × 2 = 答案:14.6 (23)5.3 × 3 = 答案:15.9 (24)6.7 × 0.2 = 答案:1.34 (25)4.3 × 0.5 = 答案:2.15 (26)4.7 × 0.4 = 答案:1.88 (27)2.4 × 5 = 答案:12 (28)7.3 × 0.3 = 答案:2.19 (29)3.8 × 0.9 = 答案:3.42 (30)7.3 × 4 = 答案:29.2 (31)5.1 × 0.7 = 答案:3.57 (32)9.8 × 2 = 答案:19.6 (33)8.3 × 0.7 = 答案:5.81 (34)4.3 × 0.6 = 答案:2.58 (35)9.5 × 0.3 = 答案:2.85 (36)9.9 × 5 = 答案:49.5 (37)3.4 × 2 = 答案:6.8 (38)2.9 × 4 = 答案:11.6 (39)1.1 × 6 = 答案:6.6 (40)2.1 × 5 = 答案:10.5 (41)9.1 × 0.8 = 答案:7.28 (42)9.7 × 0.3 = 答案:2.91 (43)9.6 × 0.5 = 答案:4.8 (44)5.1 × 0.6 = 答案:3.06 (45)5.5 × 8 = 答案:44 (46)9 × 8 = 答案:72 (47)5 × 4 = 答案:20 (48)4.1 × 5 = 答案:20.5 (49)1.4 × 0.3 = 答案:0.42 (50)2.4 × 9 = 答案:21.6 (51)5.1 × 7 = 答案:35.7 (52)7.9 × 5 = 答案:39.5 (53)4.1 × 9 = 答案:36.9 (54)1.6 × 2 = 答案:3.2 (55)6.7 × 0.8 = 答案:5.36 (56)8.9 × 0.7 = 答案:6.23 (57)6.2 × 0.2 = 答案:1.24 (58)2.6 × 7 = 答案:18.2 (59)6.8 × 0.6 = 答案:4.08 (60)5.6 × 9 = 答案:50.4 (61)9.8 × 0.8 = 答案:7.84 (62)9 × 9 = 答案:81 (63)3.8 × 7 = 答案:26.6 (64)2.5 × 6 = 答案:15 (65)1.7 × 5 = 答案:8.5 (66)4.6 × 0.7 = 答案:3.22 (67)8.9 × 3 = 答案:26.7 (68)7.9 × 0.6 = 答案:4.74 (69)6.3 × 4 = 答案:25.2 (70)2.9 × 0.3 = 答案:0.87 (71)4.6 × 8 = 答案:36.8 (72)1.5 × 2 = 答案:3 (73)6.9 × 0.7 = 答案:4.83 (74)5.8 × 6 = 答案:34.8 (75)3.4 × 0.5 = 答案:1.7 (76)1.9 × 2 = 答案:3.8 (77)8.3 × 0.4 = 答案:3.32 (78)7.4 × 6 = 答案:44.4 (79)4.5 × 3 = 答案:13.5 (80)5.9 × 4 = 答案:23.6 (81)8.9 × 0.2 = 答案:1.78 (82)4.9 × 8 = 答案:39.2 (83)7.5 × 2 = 答案:15 (84)1.5 × 7 = 答案:10.5 (85)8.3 × 0.4 = 答案:3.32 (86)6.1 × 0.6 = 答案:3.66 (87)3.7 × 0.5 = 答案:1.85 (88)7.4 × 0.5 = 答案:3.7 (89)1.3 × 0.7 = 答案:0.91 (90)3.5 × 0.7 = 答案:2.45 (91)9.9 × 0.2 = 答案:1.98 (92)2 × 7 = 答案:14 (93)4.4 × 0.8 = 答案:3.52 (94)8.5 × 4 = 答案:34 (95)9.8 × 8 = 答案:78.4 (96)9 × 9 = 答案:81 (97)2.7 × 8 = 答案:21.6 (98)1.6 × 0.3 = 答案:0.48 (99)5.7 × 3 = 答案:17.1 (100)7.5 × 5 = 答案:37.5 1)4.1 × 0.7 = 答案:2.87 (2)3.9 × 5 = 答案:19.5 (3)8.5 × 2 = 答案:17 (4)7.7 × 6 = 答案:46.2 (5)4 × 9 = 答案:36 (6)1.7 × 2 = 答案:3.4 (7)7.9 × 6 = 答案:47.4 (8)4.2 × 0.9 = 答案:3.78 (9)2.6 × 6 = 答案:15.6 (10)9.9 × 8 = 答案:79.2 (11)1.7 × 5 = 答案:8.5 (12)2.4 × 4 = 答案:9.6 (13)6 × 0.4 = 答案:2.4 (14)3.9 × 6 = 答案:23.4 (15)7 × 0.4 = 答案:2.8 (16)7.6 × 0.4 = 答案:3.04 (17)3.9 × 0.7 = 答案:2.73 (18)2.8 × 0.3 = 答案:0.84 (19)3 × 9 = 答案:27 (20)8.1 × 0.3 = 答案:2.43 (21)3.3 × 8 = 答案:26.4 (22)8.1 × 0.7 = 答案:5.67 (23)2.2 × 3 = 答案:6.6 (24)3 × 6 = 答案:18 (25)3.2 × 5 = 答案:16 (26)4.3 × 7 = 答案:30.1 (27)6.7 × 5 = 答案:33.5 (28)2.7 × 0.7 = 答案:1.89 (29)1.4 × 0.9 = 答案:1.26 (30)1.6 × 9 = 答案:14.4 (31)8 × 0.8 = 答案:6.4 (32)5.9 × 2 = 答案:11.8 (33)3.6 × 9 = 答案:32.4 (34)1.4 × 0.6 = 答案:0.84 (35)8.3 × 0.2 = 答案:1.66 (36)7 × 9 = 答案:63 (37)8.7 × 8 = 答案:69.6 (38)2.9 × 3 = 答案:8.7 (39)6.7 × 0.2 = 答案:1.34 (40)1.6 × 0.8 = 答案:1.28 (41)9.6 × 2 = 答案:19.2 (42)5.4 × 5 = 答案:27 (43)5.8 × 0.7 = 答案:4.06 (44)3.7 × 0.2 = 答案:0.74 (45)8.7 × 0.6 = 答案:5.22 (46)2.1 × 0.4 = 答案:0.84 (47)1.6 × 5 = 答案:8 (48)4.6 × 3 = 答案:13.8 (49)9.5 × 0.6 = 答案:5.7 (50)5.6 × 9 = 答案:50.4 (51)5.9 × 0.3 = 答案:1.77 (52)9 × 2 = 答案:18 (53)9 × 4 = 答案:36 (54)4.5 × 3 = 答案:13.5 (55)4.4 × 6 = 答案:26.4 (56)5.5 × 4 = 答案:22 (57)8.6 × 6 = 答案:51.6 (58)6.6 × 0.2 = 答案:1.32 (59)8.7 × 0.6 = 答案:5.22 (60)2.4 × 0.6 = 答案:1.44 (61)2.1 × 0.2 = 答案:0.42 (62)4.4 × 0.8 = 答案:3.52 (63)7.1 × 9 = 答案:63.9 (64)3.8 × 3 = 答案:11.4 (65)8.9 × 7 = 答案:62.3 (66)7.1 × 0.2 = 答案:1.42 (67)3.9 × 0.5 = 答案:1.95 (68)1.6 × 0.7 = 答案:1.12 (69)3.9 × 0.9 = 答案:3.51 (70)7.7 × 2 = 答案:15.4 (71)7 × 0.7 = 答案:4.9 (72)8.3 × 4 = 答案:33.2 (73)5.1 × 0.2 = 答案:1.02 (74)9.2 × 0.8 = 答案:7.36 (75)1.3 × 6 = 答案:7.8 (76)6.8 × 7 = 答案:47.6 (77)2.2 × 3 = 答案:6.6 (78)3.2 × 8 = 答案:25.6 (79)6.8 × 0.2 = 答案:1.36 (80)4.7 × 0.2 = 答案:0.94 (81)6.7 × 9 = 答案:60.3 (82)9.9 × 7 = 答案:69.3 (83)3.3 × 0.2 = 答案:0.66 (84)2.3 × 3 = 答案:6.9 (85)8.3 × 0.5 = 答案:4.15 (86)8.5 × 0.2 = 答案:1.7 (87)1.7 × 0.7 = 答案:1.19 (88)9 × 0.6 = 答案:5.4 (89)9.9 × 5 = 答案:49.5 (90)7.4 × 0.3 = 答案:2.22 (91)7.7 × 2 = 答案:15.4 (92)9.9 × 0.4 = 答案:3.96 (93)5 × 0.2 = 答案:1 (94)8.5 × 5 = 答案:42.5 (95)9.1 × 9 = 答案:81.9 (96)5.6 × 0.5 = 答案:2.8 (97)5 × 8 = 答案:40 (98)3.1 × 0.4 = 答案:1.24 (99)6.8 × 8 = 答案:54.4 (100)1.9 × 0.2 = 答案:0.38
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本文概览:440÷4= 32×3= 48÷4= 540÷9= 90÷9= 13×3=600×7= 120×3= 480÷2= 39÷3= 560÷8= 990÷3=3×200= 620÷...
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