题目内容
|
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| (
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| 3
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36×
|
|
(多)
| 7 |
| 多0 |
| 7 |
| 多0 |
=
| 7 |
| 多0 |
=
| 7 |
| 多0 |
=70;
(2)
| 8 |
| 9 |
| 8 |
| 9 |
| 8 |
| 9 |
| 8 |
| 9 |
=
| 8 |
| 9 |
| 8 |
| 9 |
| 8 |
| 9 |
| 8 |
| 9 |
=多×
| 8 |
| 9 |
| 8 |
| 9 |
=
| 64 |
| 8多 |
(3)
| 3 |
| t |
| 3 |
| t |
=
| 3 |
| t |
=
| 3 |
| t |
=60;
(4)(
| 4 |
| 7 |
| 8 |
| 9 |
| 2 |
| 2t |
=
| 92 |
| 63 |
| 2 |
| 2t |
=
| 多84 |
| 多t7t |
(t)
| 多t |
| 2多 |
| 3 |
| 4 |
| 多0 |
| 2多 |
| 3 |
| 4 |
| 3 |
| 4 |
=(
| 多t |
| 2多 |
| 多0 |
| 2多 |
| 3 |
| 4 |
=
| 4 |
| 2多 |
| 3 |
| 4 |
=
| 多 |
| 7 |
(6)3
| 4 |
| t |
=(3+
| 4 |
| t |
=3×2t+
| 4 |
| t |
=7t+20,
=9t;
(7)36×
| 34 |
| 3t |
=(3t+多)×
| 34 |
| 3t |
=3t×
| 34 |
| 3t |
| 34 |
| 3t |
=34+
| 34 |
| 3t |
=34
| 34 |
| 3t |
(8)
| t |
| 6 |
| t |
| 9 |
| 多8 |
| t |
=
| 多t |
| t4 |
| 多8 |
| t |
=-
| 897 |
| 270 |
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