五年级小数点计算题

1直接写出得数。

0.45 2.5 =0.8 1.25 =0.3 3.6 =0.3 0.3 =10 >0.07 = 0.3 1.4 =0.05 7 =0.92 0.4 =0.2 0.26 =0.14 4 = 0.02 0.1 = 1.2 0.3 = 0.2 0.4 =8.2 + 1.8 =100 —35.22 = 2.3 4= 2.5 0.4 = 2.4 5=0.22 4= 3.25 0=

0.9-0.52 = 3.99 1=0 >3.52 =12.5 8= 1 2).5=

8勻0 = 10-1.8-7.2= 0.43+3.57= 2.5 4 >^2= 1.05 100=

0.9 0.8= 0.96 3= 1.47 2.7= 5.4 2= 4 2).8 =

0.16.5 10= 0.56 100= 3.78 100= 3.215 100= 0.8 10= 4.08 100= 1.1 0.2 = 0.6 0.8 = 3 >0.9= 2.5 >0.4= 3.6 0.4= 12.5 8= 50 >0.04= 80 >0.3 = 1.1 9=

0.16 5 = 1.78 + 2.2 = 9.6 2.6 = 1.2 0.5-0.4 = 0.7 2.01 = 2.5 0.4 = 12 —3.9= 1.25 82.25 = 6.6 2.66 = 5.37 0+4.63 = 4.2 \3.5 = 1.6+2.4 0.3 = 2.14—0.9 =27+ 456 + 73= 0.3 0.3= 7.2 + 2.8 =0.9 2.01 =122).3= 2.87 2).7 =1324 = 0.96 &3 = 1.5 0.4 =7 20.25 = 2.5 0.7 0.8= 8 —2.5 = 16 出.6 = 5.6 1.01 = 8 X ( 2.5+ 0.25)=0.36 + 0.64 =64.32 26 = 72.8 &8 =8.4 2.2 =13.8 +9.9 = 2.4 2.5 =0.05 0.8 = 1.25 0.8 0.5=12 >2.5= 1.23 3= 3.2 2.6= 3.5 + 3.5 3= 19.6 2= 8.8 2.2= 0.75 4 = (1.5 + 0.25) >4=0.5 0.8=

8.4 0.2= 1.6 0.2 =7.2 0.3= 2.8 0.3 =0.9 2.15= 1.8 0.4= 5.5 2.55= 0.08 100= 2.2 2.11 = 5.46 + 4.54= 12.5 0.8= 0.35 0.3= 1.4 5= 2.8 4= 19.6 2= 22.5 4=

2、用竖式计算

0.396 2.2= 0.756 2.36= 15.6 13=

0.18 >^5= 0.025 X14= 3.06 $6=

5.76 X 3

0.04 >0.12 = 3.84 X 2.6 ~

（保留一位小数）

7.15 X22 90.75 ￡.3 3.68 >0.2

16.9 &13 1.55 3.9 3.7 E.016

13.76 >.8= 5.2 >.6 8.4 >.3

6.4 >0.5 4.48 >0.4 5.25 X5

35.4 >4.2 0.042 XJ.54 0.76 ?.32

0.25 >?.046 2.52 X3.4 1.08 X25

0.12 >0.5 >0.16 = 4.8 ?.25 =0.125 X1.4 （保留两位小数）2.5七.7= （保留三位小数）10.1 ￡.3= （商用循环小数）10.75 -12.5= （用乘法验算）

3.25 >9.04= （用除法验算）

16.9 &13 1.55 3.9

3.7 E .016

3、脱式计算（能简算的要简算）

8.9 1.1 4.7 2.7 5.4 >3.9 3.6 9.85-5.46

8.05 $.4+7.6 6.58 >4.5 >0.9 2.8 >0.5+1.58

32 + 4.9 — 0.9 4.8 — 4.8 >0.5 (1.25 — 0.125) >8

4.8 100.1

56.5 99+ 56.5 7.09 10.8 — 0.8 7.09

4.85 + 0.35 *4 8.7 X17.4 - 8.7 7.4 2 . 13. >0. >8257

2.5 7.1 4

16.12 99 + 16.12 5.2 0.9+ 0.9

7.28 99+7.28 4.3 50 >0.2 64 - 2.64 0.5 3.94+34.3 0.2

26 XI5.7 + 15.7 24

(2.275 + 0.625) 0.28 1.2 >(9.6 ±4) *8

12.5 >0.4 X2.5 >8 0.87 X3.16+4.64 9.5 X101

0.68 ( 5.2 -3.5 ) >1.25 4.8 >( 15 -2.4 )40.5 弋.81 >0.18

6.81+6.81 9>0.25 185 >40 4 .4 0.8 —3.4 0.8 0.25 39+0.25

(9.37+9.37+9.37+9.37) .5 4.2. 1. + 1. >1.75 46 X0.33+54 >0.3 2.37 >6.3+2.37 >.7 2.5 XI.25 >0.32 3.8 XI0.1 0.125 >72

2.5 > (

3.8 > 0.04) 7.69 >

101 3.8 X 10.1