2025年通城学典计算能手五年级数学上册苏教版第50页答案
一、口算。
$3.7 + 0.03 = $
3.73

$4.2 + 9.1 = $
13.3

$0.12 + 0.8 = $
0.92

$0.22 + 0.8 = $
1.02

$1 - 0.716 = $
0.284

$10.9 - 7.1 = $
3.8

$0.37 + 0.3 = $
0.67

$7.4 + 6 = $
13.4

$2.19 + 9.1 = $
11.29

$5.3 - 4.6 = $
0.7

$0.27 - 0.2 = $
0.07

$0.6 + 0.06 = $
0.66

$40 - 5.9 = $
34.1

$7.38 - 5.88 = $
1.5

$7 - 0.82 = $
6.18

$0.46 + 0.34 = $
0.8

$10 - 2.05 = $
7.95

$9.7 - 0.97 = $
8.73

$3.4 + 4.56 = $
7.96

$8.8 + 0.12 = $
8.92

$6.75 + 0.25 = $
7

$7.1 - 7 = $
0.1

$5.08 - 4.2 = $
0.88

$1.87 + 5.3 = $
7.17

答案

3.73 13.3 0.92
1.02 0.284 3.8
0.67 13.4 11.29
0.7 0.07 0.66
34.1 1.5 6.18
0.8 7.95 8.73
7.96 8.92 7
0.1 0.88 7.17
二、计算下面各题。
$12.7 + 4.59 + 13.4$
$11.24 - 3.07 - 7.97$
$4.8 + 42.27 - 16.8$
$10 - 1.47 - 2.43$
$4.36 + 3.74 + 2.17$
$17.37 - 3.6 + 8.44$

答案

30.69 0.2 30.27
6.1 10.27 22.21