2025年通城学典计算能手五年级数学上册苏教版江苏专版第111页答案
一、口算。
$1.9 + 4.01 = $
5.91
$3.72 ÷ 0.6 = $
6.2
$8 - 0.06 × 5 = $
7.7

$12.83 - 1.7 = $
11.13
$4.2 × 0.5 = $
2.1
$14 - 3.6 - 6.4 = $
4

$2.01 ÷ 3 = $
0.67
$0.62 ÷ 0.062 = $
10
$0.8 × 2 - 0.08 = $
1.52

$2.3 × 0.4 = $
0.92
$2.34 + 1.66 = $
4
$2.7 ÷ 0.9 - 1.1 = $
1.9

$5m × 0.08 = $
0.4m
$1.25 ÷ 0.5 = $
2.5
$5.5 × 0.2 × 0.5 = $
0.55

$0.16 × 0.4 = $
0.064
$0.2 × 0.8 = $
0.16
$4a + (3.5 - 2a) = $
3.5+2a

$3.6 - 0.36 = $
3.24
$6.3 ÷ 0.021 = $
300
$3.6 ÷ 0.6 × 0.15 = $
0.9

$7.8 + 0.22 = $
8.02
$10.8 ÷ 1.8 = $
6
$2.92 ÷ 1.25 ÷ 0.8 = $
2.92

答案

一、5.91 6.2 7.7 11.13 2.1 4 0.67 10 1.52 0.92 4 1.9 0.4m 2.5 0.55 0.064 0.16 3.5+2a 3.24 300 0.9 8.02 6 2.92
二、用竖式计算。
$0.685 × 7.8$ $12.74 ÷ 0.52$ $4.76 × 0.25$ 
$41.5 - 21.74$ $2.9 × 9.09$ $1.75 ÷ 3.5$

答案


二、5.343 24.5 1.19 19.76 26.361 0.5



解析

```
0.685×7.8=5.343
0.685
× 7.8
------
5480
4795
------
5.3430
12.74÷0.52=24.5
24.5
0.52)12.74
104
---
234
208
---
260
260
---
0
4.76×0.25=1.19
4.76
×0.25
------
2380
952
------
1.1900
41.5-21.74=19.76
41.50
-21.74
------
19.76
2.9×9.09=26.361
9.09
× 2.9
------
8181
1818
------
26.361
1.75÷3.5=0.5
0.5
3.5)1.75
1.75
-----
0
```