题目内容
脱式计算.
(7.6-3.6÷2)×1.5
25÷〔(
-
)×3〕
(7.6-3.6÷2)×1.5
25÷〔(
| 5 |
| 6 |
| 2 |
| 3 |
(1)(7.6-3.6÷2)×1.5,
=(7.6-1.8)×1.5,
=5.8×1.5,
=8.7;
(2)25÷[(
-
)×3],
=25÷[
×3],
=25÷
,
=50.
=(7.6-1.8)×1.5,
=5.8×1.5,
=8.7;
(2)25÷[(
| 5 |
| 6 |
| 2 |
| 3 |
=25÷[
| 1 |
| 6 |
=25÷
| 1 |
| 2 |
=50.
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