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五年级上小数乘除混合运算习题

篇一:五年级小数乘除法计算题复习(含答案)

五年级小数乘除法计算题练习

一、计算题(30分)

1、直接写出得数。

0.45×2.5=1.125 0.8×1.25= 1 0.3×3.6=1.08 0.3×0.3=0.09 10×0.07=0.7 0.3×1.4=0.42 0.05×7=0.350.92×0.4=0.368 0.2×0.26=0.052 0.14×4=0.560.02×0.1=0.002

1.2×0.3=0.360.2×0.4=0.088.2+1.8=10 100-35.22=64.78

2.3×4=9.22.5×0.4=1 2.4×5=12 0.22×4=0.88 3.25×0=0 0.9-0.52=0.38 3.99×1=3.99 0×3.52=0 12.5×8=100

8÷10 =0.810-1.8-7.2=1 0.43+3.57=42.5×4×12=120

0.9×0.8=0.72 7.5x-3x =4.5xa+3a+7a=11a1.05×100=1051÷0.5=2 0.96÷3=0.32 1.47÷0.7=2.15.4÷6=0.90.165×10=1.650.56×100=56 3.78×100=378 4÷0.8 =5

3.215×100=321.50.8×10=8 4.08×100=4081.1×0.2 =0.22

0.6×0.8 =0.48 3×0.9=2.7 2.5×0.4=13.6×0.4=1.44 12.5×8=10050×0.04=2 80×0.3 =2.41.1×9=9.9

0.16×5=0.81.78+2.2 =3.98 9.6÷0.6 =16 1.2×0.5-0.4 =0.20.7÷0.01 = 70 2.5×0.4 =1 12-3.9=8.1 1.25×8÷1.25 =8

6.6÷0.66 =10 5.37×0+4.63 =4.63 3.9+2.03=5.93 4.2÷3.5=1.2

1.6+2.4×0.3 =2.32 2.14-0.9=1.2427+456+73=556 0.3×0.3=0.09

7.2+2.8=10 0.9÷0.01=90 12÷0.3=40 2.87÷0.7=4.1

13÷4=3.250.96÷0.3=3.2 1.5×0.4=0.6 7÷0.25=28

2.5×0.7×0.8=1.48-2.5=5.5 16÷1.6=105.6×1.01=5.656 8×(2.5+0.25)=22 0.36+0.64=164.32÷16=4.02 4.2÷0.1=42 72.8÷0.8=91 8.4÷4.2=213.8+9.9=23.7 2.4×2.5=6

0.05×0.8=0.04 2.56-0.37=2.19 1.25×0.8×0.5=0.5 12×2.5=30

1.23×3=3.69 3.2÷1.6=23.5+3.5×3=1419.6÷2=9.8

8.8÷2.2= 40.75×4=3 (1.5+0.25)×4=70.5×0.8=0.4

8.4×0.2=1.681.6×0.2=0.327.2×0.3=2.16 2.8×0.3=0.84 0.9÷0.15=6 1.8×0.4=0.72 5.5÷0.55=10 0.08×100= 8

2.2÷0.11=20 5.46+4.54=10 12.5×0.8=100.35×0.3=0.105

1.4×5=72.8×4=11.219.6÷4=4.922.5×4=90

2、用竖式计算

0.396÷1.2=0.33 0.756÷0.36=2.1 15.6×13=202.8

0.18×15=2.70.025×14= 0.35 3.06×36=110.16

0.04×0.12=0.0048 3.84×2.6≈10.05.76×3=17.28(保留一位小数)

7.15×22=157.390.75÷3.3=27.5 3.68×0.25=0.92

16.9÷0.13=130 1.55÷3.9≈0.40 3.7×0.016=0.0592

(保留两位小数)

13.76×0.8=11.0085.2×0.6=3.128.4×1.3=10.92

6.4×0.5=3.24.48×0.4=1.7925.25×5=26.25

35.4×4.2=148.68 0.042×0.54=0.02268 0.76×0.32=0.2432

0.25×0.046=0.0115 2.52×3.4=8.5681.08×25=27

0.12×0.5×0.16=0.0096 4.8×0.25=1.20.125×1.4≈0.18

(保留两位小数)

2.5÷0.7=3.571(保留三位小数) 10.1÷3.3=3.06(06上面两个点)(商用循环小数)

10.75÷12.5=0.86(用乘法验算)3.25×9.04=29.38 (用除法验算)

3、脱式计算(能简算的要简算)

2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.9

=71 =1612 =5.58

7.28×99+7.28 4.3×50×0.264-2.64×0.5

=72.8 =43 =62.68

26×15.7+15.7×24 (2.275 +0.625)×0.28

=785 =0.812

3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8

=10.8 =1

8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46 =46.013 =56.862 =30

8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58

=34.97=26.649 =2.98

32+4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8

=36=2.4=9

4.8×100.1 56.5×99+56.5 7.09×10.8-0.8×7.09

=480.48=5650 =70.9

4.85 + 0.35 ÷ 1.48.7 × 17.4 - 8.7 × 7.49.5×101

=5.1=87 =959.5

12.5×0.4×2.5×80.68 ÷(5.2 -3.5)×1.25 =100 =0.5

40.5÷ 0.81×0.18 4.8 ×(15÷2.4) 2.13×0×8257

=9 =30 =0

6.81+6.81×99 0.25×185×40 4.4×0.8-3.4×0.8

=681=1850 =0.8

(9.37+9.37+9.37+9.37)×2.5 2.37×6.3+2.37×3.7 3.8×10.1

=93.7 =23.7=38.38

2.5×1.25×0.32 3.8×10.1 2.5×(3.8×0.04)

=1 =38.38 =0.38

0.25×39+0.25 0.125×72 46×0.33+54×0.33 =10 =9 =33

(8×5.27) ×1.256.81+6.81×99 0.25×185×40 =52.7 =68.1 =1850

6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷7.2 =10.2

9.5×99

=940.5 =27.25=4.78 13.5×0.98 12.5×8.8=13.23 =110

篇二:小数加减乘除混合运算训练题

小数加减乘除及混合运算专项训练

小数加减法(竖式计算方法):相同数位对齐(小数点对齐),从低位算起。 小数乘法:(竖式计算方法):末位对齐,按整数计算,积的小数位数等于各因数的小数位数的和。 小数除法:(竖式计算方法):(1)小数除以整数:先除整数部分,整数部分不够除商“0”,一位一位的计算,除不尽是补“0”再算。(2)小数除以小数:按商不变规律化除数为整数,然后按小数除以整数计算。 混合计算:(递等式计算,又称脱式计算)先算乘除,再算加减,有括号的先算括号里面的,如果有中括号,先算里面的小括号。) 一、竖式计算。

2.46÷0.06= 32.4+2.6= 7.06-6.5= 0.38×0.25= 10.5÷0.21=

17.05+2.83= 4.56÷1.9= 9÷0.45= 1÷0.125=

2.85+1.05=

9-6.28=

0.08÷0.16= 26.81+5.29= 9.7+12.34=4.68÷1.2=0.32×1.05=6.24÷0.3= 1.8×5.04=10.2×6.7=3.25+15.7=36.7-12.9= 2.1×1.08=12÷0.24=1.92-0.71= 10-0.82=5.9-3.58= 81.9÷39= 0.28×3.04= 0.91×1.24=0.092÷23= 2.52÷1.8= 52.7×2.03= 1.7+12.85= 0.468÷1.2= 15.7-3.25=

二、递等式计算。 4.8×(3.5-2.1) ÷7= 18.75-0.23×2-4.54= (4.2+4.2÷2.1) ÷0.2= 17÷[(1.2+0.5) ×5]=4÷0.8-0.8÷4 = 8.59—4.1×0.1—4.59= 1.5×[1÷(2.1-2.05)]= [16.7-(6.2+9.5)] ×8.3 = 12.25+7.75-12.5+7.75= 9.4×[1.28-(1.54-0.31)]= (6.1-4.6) ÷0.8×0.4= 3.6×4.25÷3.6×4.25=

三、列式计算。(必须是递等式计算)

(1)9.6里有多少个0.16? (2)4.86与3.27的差是0.25的多少倍?

(3)5.18除以4与9.25的积商是多少? (4)23的十分之一与7.9的一半的和是多少?

(5)8.4加上8.4与1.6的差,所得的和除以4, (6)用10减去6.8的差去除24.8,商是多少? 商是多少?

(7)6.2减去2.4与1.3的和,除以1.25的 (8)4.8与2.7的和乘5.02,积是多少?

商是多少?

(9)35.7除以0.7的商,加上12.5与的积, (10)10.2减去2.5的差,除以0.35与24.8的积,和是多少? 商是多少?

篇三:五年级小数混合运算练习题

1.9+7.9-9.6 5.7-5×0.2 1+4.5×0.6 9.5-6.5+5.4 8.1-6.3+4.1 5.5-0.2×0.2 3.7+4.6-5.2 7.4-5.3+5 6-1.3+4.4 4.6+7.1-2 1.7+7.7-4.1 0.8+7.2×0.4 9.8+7.5-4.1 9.3-7.2×0.7 7.2+7.7-0.8 3.3+3.6×0.2 0.3+0.1-0.1 1.1-0.6+8.3 3.1+2.3×0.2

7.1-5.7+5.2

1.7+7.5×0.8

4.9-0.2+0.9

2.5+2.4-1.7

8.8-7.6+9.4

7.8+8.4×0.5

6.1-1.4+9.7

3.7+6.1×0.5

6.9+9.4-15 7.1-1.3+6.2 7.7+8.9-6.6 3.3+9×0.2 7.7+7.8×0.5 6.5-0.9×0.5 4.7+2.5-2.3 9.6+7.3-15.1 2.2+5.2-7.3 0.5+5.2×0.7 3.2+4.9×0.4 4.6+9.7×0.7 1.2+8.9×0.2 2+5.3-0.5 7.7+8.6-3.8 0.6+5.3×0.6 3.2-1+0.8 6.9-4.2+0.8 5.8-5.4×0.6

5.7-5.6+2.3

4+3-1.5

5.2-2.3×0.4

4+6-7.5

9.2+4.1-3.2

7.7+0.9-3.7

9.2+0.4×0.7

8.2+0.6×0.6

9.6+4.6-2 3-0.7+7.7 4.2+2.1-1 2.9-2.2+1.6 0.6+8.1-2.8 3.4-0.7+4.2 4.6-0.3×0.8 6.4+7.3×0.2 7.2-1.1+3.6 7.6-4.2×0.4 5.5-2.1+4.2 0.6+3.2×0.6 4.3+8.8-4.8 5.2+0.9×0.6 3+4.5-2.8 7.4-4.8+2.1 7+5.3×0.3 9.5-1.6×0.2 7.1+4.3-2.6

1.6-1.2+7.2

3.4-2.6+3

0.3+8.3-2.5

1.8-0.5+2.9

2.2+8-5.4

6.7+6.9×0.7

9.2-7.8×0.4

6.2-1.1+9.2

7.5+2.3×0.7 7.4+2-6.4 1-0.6×0.8 0.5+2×0.6 9.7-2.2×0.2 8.6-8.1×0.2 6.6+2.8-2.3 8.7+0.8×0.7 1+0.4-1.2 8.3-1.2+7.4 1.3-1.2+0.2 6.9+1.5-1.4 9.8+7.4-14.9 3.4-0.2×0.8 5.8+7.4×0.6 8.6-8.3+5.8 6.1-2×0.7 5.2+8.6×0.7 0.2+3.3-0.9

5.3+7.6-3.3

1.5-1.3+3.5

5.8-1.1+2.5

5.7-3.1+8.1

4-3.1+5.2

4-3.6+8.4

1.5-0.3+1.7

5.5+0.2-2.1

7.5+8.7×0.4 5.4-2.1+6.1 5.1-2.6+7.7 6.7+6.6-7.2 1.1+1.7×0.4 6.7+6.6-2.5 3.9-3.2+2 7.7-0.3+1.1 7.7+7.7-6.7 9.8-2.5+9 1.3+6.4-5.7 8.6-5+6.1 1.7+8-4.2 4.5+5.1×0.3 1.7+4.4-1.8 1.4+7.1-2.2 4+8.6×0.5 8.3-1.8+8.3 4.8+2.7-5.2

9.7-3.6+8.9

8.5-6.3+7.7

4.3+6.8-1

2.7-1.7+8.5

8.2-1.1+9.3

2+8-0.8

1+0.4-1.2

8.4+9.6-9.9

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