1 横线上最大能填几?
× 4 < 35 7 × < 48 × 8 < 63
× 9 < 72 6 × < 49 × 5 < 43
× 4 < 35 7 × < 48 × 8 < 63
× 9 < 72 6 × < 49 × 5 < 43
答案
8×4<35
7×6<48
7×8<63
7×9<72
6×8<49
8×5<43
7×6<48
7×8<63
7×9<72
6×8<49
8×5<43
② 用竖式计算。(打 * 的要验算)
$672 ÷ 6 =$
$893 ÷ 4 =$
$*785 ÷ 3 =$
$788 ÷ 3 =$
$705 ÷ 5 =$
$*890 ÷ 8 =$
$672 ÷ 6 =$
$893 ÷ 4 =$
$*785 ÷ 3 =$
$788 ÷ 3 =$
$705 ÷ 5 =$
$*890 ÷ 8 =$
答案
$672 ÷ 6 = 112$
```
112
6)672
6
----
7
6
----
12
12
----
0
```
$893 ÷ 4 = 223······1$
```
223
4)893
8
----
9
8
----
13
12
----
1
```
$*785 ÷ 3 = 261······2$
```
261
3)785
6
----
18
18
----
5
3
----
2
```
验算:
```
261
× 3
------
783
+ 2
------
785
```
$788 ÷ 3 = 262······2$
```
262
3)788
6
----
18
18
----
8
6
----
2
```
$705 ÷ 5 = 141$
```
141
5)705
5
----
20
20
----
5
5
----
0
```
$*890 ÷ 8 = 111······2$
```
111
8)890
8
----
9
8
----
10
8
----
2
```
验算:
```
111
× 8
------
888
+ 2
------
890
```
```
112
6)672
6
----
7
6
----
12
12
----
0
```
$893 ÷ 4 = 223······1$
```
223
4)893
8
----
9
8
----
13
12
----
1
```
$*785 ÷ 3 = 261······2$
```
261
3)785
6
----
18
18
----
5
3
----
2
```
验算:
```
261
× 3
------
783
+ 2
------
785
```
$788 ÷ 3 = 262······2$
```
262
3)788
6
----
18
18
----
8
6
----
2
```
$705 ÷ 5 = 141$
```
141
5)705
5
----
20
20
----
5
5
----
0
```
$*890 ÷ 8 = 111······2$
```
111
8)890
8
----
9
8
----
10
8
----
2
```
验算:
```
111
× 8
------
888
+ 2
------
890
```
3 小华家共有213本书,把这些书平均放在3个书架上。每个书架上放多少本书?
答案
213÷3=71(本)
答:每个书架上放71本书。
答:每个书架上放71本书。
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