题目内容
| 用递等式计算: 1498+1068÷89 | 132.5-18÷4.5+7.6 | 12×(
|
1498+1068÷89
=1498+12,
=1510;
132.5-18÷4.5+7.6
=132.5-4.5+7.6,
=128+7.6,
=135.6;
12×(
-
)÷
=12×
÷
,
=1÷
,
=2.
=1498+12,
=1510;
132.5-18÷4.5+7.6
=132.5-4.5+7.6,
=128+7.6,
=135.6;
12×(
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 2 |
=12×
| 1 |
| 12 |
| 1 |
| 2 |
=1÷
| 1 |
| 2 |
=2.
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