问题
计算题
竖式计算并验算。
|
答案
(1) 43.63
+ 16.21
59.84
验算:59.84-16.21= 43.63
- 13.62
16.18
验算:16.18+13.62=29.8
(3) 30.18
- 11.25
18.93
验算:18.93+11.25=30.18
单项选择题
竖式计算并验算。
|
(1) 43.63
+ 16.21
59.84
验算:59.84-16.21= 43.63
- 13.62
16.18
验算:16.18+13.62=29.8
(3) 30.18
- 11.25
18.93
验算:18.93+11.25=30.18