题目内容
计算.
25.2÷4.5+3.25×1.4
÷[(
-
)×
].
25.2÷4.5+3.25×1.4
| 3 |
| 5 |
| 4 |
| 5 |
| 2 |
| 3 |
| 9 |
| 14 |
(1)25.2÷4.5+3.25×1.4,
=5.6+4.55,
=10.15;
(2)
÷[(
-
)×
],
=
÷[
×
],
=
÷
,
=
×
,
=7.
=5.6+4.55,
=10.15;
(2)
| 3 |
| 5 |
| 4 |
| 5 |
| 2 |
| 3 |
| 9 |
| 14 |
=
| 3 |
| 5 |
| 2 |
| 15 |
| 9 |
| 14 |
=
| 3 |
| 5 |
| 3 |
| 35 |
=
| 3 |
| 5 |
| 35 |
| 3 |
=7.
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