2025年通城学典计算能手五年级数学上册苏教版第12页答案
一、口算。
$200 - 169 = $
31
$450×20 = $
9000
$96 - 47 = $
49

$15×400 = $
6000
$135 - 46 = $
89
$54 + 234 = $
288

$126÷6 = $
21
$386÷2 = $
193
$660÷6 = $
110

$309×3 = $
927
$61 - 32 = $
29
$65×200 = $
13000

$930÷6 = $
155
$131 - 45 = $
86
$81 - 17 = $
64

$720÷90 = $
8
$420÷30 = $
14
$125×10 = $
1250

$44×50 = $
2200
$35×40 = $
1400
$4×150 = $
600

$70 - 32 = $
38
$12 + 89 = $
101
$30×50 = $
1500

$460÷23 = $
20
$23×60 = $
1380
$210÷5 = $
42

$540÷18 = $
30
$165÷5 = $
33
$96÷12 = $
8

答案

31 9000 49 6000 89 288 21 193 110 927 29 13000 155 86 64 8 14 1250 2200 1400 600 38 101 1500 20 1380 42 30 33 8
二、计算下面梯形的面积。

答案

$(7+11)× 10÷ 2=90(\text{dm}^2)$ $(4+6)× 5÷ 2=25(\text{cm}^2)$