题目内容
准确计算结果
28×
÷
72÷
.
28×
| 13 |
| 7 |
| 9 |
| 8 |
| 5 |
| 24 |
72÷
| 8 |
| 9 |
(1)28×
=52;
(2)
÷
=
×
=
;
(3)72÷
=72×
=81.
| 13 |
| 7 |
(2)
| 9 |
| 8 |
| 5 |
| 24 |
=
| 9 |
| 8 |
| 24 |
| 5 |
=
| 27 |
| 5 |
(3)72÷
| 8 |
| 9 |
=72×
| 9 |
| 8 |
=81.
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题目内容
| 13 |
| 7 |
| 9 |
| 8 |
| 5 |
| 24 |
| 8 |
| 9 |
| 13 |
| 7 |
| 9 |
| 8 |
| 5 |
| 24 |
| 9 |
| 8 |
| 24 |
| 5 |
| 27 |
| 5 |
| 8 |
| 9 |
| 9 |
| 8 |