题目内容
(
-0.5)÷37+24×(
-
).
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(
-0.5)÷37+24×(
-
).
=0÷37+24×
-24×
,
=0+21-8,
=13.
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| 2 |
| 7 |
| 8 |
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| 3 |
=0÷37+24×
| 7 |
| 8 |
| 1 |
| 3 |
=0+21-8,
=13.
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