题目内容
脱式计算.
| 3.6×八.8+8.3×3.6 |
|
(h)
| 2 |
| 9 |
| h |
| 3 |
| 3 |
| 8 |
=
| 2 |
| 3 |
| 3 |
| 8 |
=
| h |
| h |
(2)3.6×1.2+2.8×3.6,
=3.6×(1.2+2.8),
=3.6×h0,
=36;
(3)
| 6 |
| 2e |
| 3 |
| h |
| h |
| 2 |
| e |
| 9 |
=
| 6 |
| 2e |
| h |
| h |
| e |
| 9 |
=
| 6 |
| 2e |
| e |
| 36 |
=
| h |
| 30 |
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