1 观察算式,将序号填写在横线上,并用竖式计算。
下列算式中,商是一位数的有;商是两位数的有。
(1) $93 ÷ 9 =$
(2) $93 ÷ 6 =$
(3) $93 ÷ 3 =$
(4) $39 ÷ 9 =$
(5) $62 ÷ 6 =$
(6) $53 ÷ 5 =$
下列算式中,商是一位数的有;商是两位数的有。
(1) $93 ÷ 9 =$
(2) $93 ÷ 6 =$
(3) $93 ÷ 3 =$
(4) $39 ÷ 9 =$
(5) $62 ÷ 6 =$
(6) $53 ÷ 5 =$
答案
商是一位数的有 (4);商是两位数的有 (1)(2)(3)(5)(6)。
(1) $93 ÷ 9 = 10······3$
```
10
______
9 | 93
9
______
3
```
(2) $93 ÷ 6 = 15······3$
```
15
______
6 | 93
6
______
33
30
______
3
```
(3) $93 ÷ 3 = 31$
```
31
______
3 | 93
9
______
3
3
______
0
```
(4) $39 ÷ 9 = 4······3$
```
4
______
9 | 39
36
______
3
```
(5) $62 ÷ 6 = 10······2$
```
10
______
6 | 62
6
______
2
```
(6) $53 ÷ 5 = 10······3$
```
10
______
5 | 53
5
______
3
```
(1) $93 ÷ 9 = 10······3$
```
10
______
9 | 93
9
______
3
```
(2) $93 ÷ 6 = 15······3$
```
15
______
6 | 93
6
______
33
30
______
3
```
(3) $93 ÷ 3 = 31$
```
31
______
3 | 93
9
______
3
3
______
0
```
(4) $39 ÷ 9 = 4······3$
```
4
______
9 | 39
36
______
3
```
(5) $62 ÷ 6 = 10······2$
```
10
______
6 | 62
6
______
2
```
(6) $53 ÷ 5 = 10······3$
```
10
______
5 | 53
5
______
3
```
2 下面的计算是否正确?正确的在括号内打“√”;错误的在括号内打“×”,并改正。

改正:
()

改正:
()
改正:
()
改正:
()
答案
(×)
改正:
```
1 0
5⟌5 3
5
----
3
```
(×)
改正:
```
2 7
3⟌8 3
6
----
2 3
2 1
----
2
```
改正:
```
1 0
5⟌5 3
5
----
3
```
(×)
改正:
```
2 7
3⟌8 3
6
----
2 3
2 1
----
2
```
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