题目内容
你能用几种方法计算?
÷4
÷3.
| 8 |
| 15 |
| 7 |
| 9 |
(1)
÷4,
=
×
,
=
;
(2)
÷3,
=
×
,
=
.
| 8 |
| 15 |
=
| 8 |
| 15 |
| 1 |
| 4 |
=
| 2 |
| 15 |
(2)
| 7 |
| 9 |
=
| 7 |
| 9 |
| 1 |
| 3 |
=
| 7 |
| 27 |
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题目内容
| 8 |
| 15 |
| 7 |
| 9 |
| 8 |
| 15 |
| 8 |
| 15 |
| 1 |
| 4 |
| 2 |
| 15 |
| 7 |
| 9 |
| 7 |
| 9 |
| 1 |
| 3 |
| 7 |
| 27 |