题目内容
脱式计算.
46×8-120÷15
40-7.5×1.2
÷[(
+
)×
].
46×8-120÷15
40-7.5×1.2
| 4 |
| 9 |
| 2 |
| 5 |
| 1 |
| 10 |
| 4 |
| 3 |
46×8-120÷15,
=368-8,
=360;
40-7.5×1.2,
=40-9,
=31;
÷[(
+
)×
],
=
÷[
×
],
=
÷
,
=
.
=368-8,
=360;
40-7.5×1.2,
=40-9,
=31;
| 4 |
| 9 |
| 2 |
| 5 |
| 1 |
| 10 |
| 4 |
| 3 |
=
| 4 |
| 9 |
| 1 |
| 2 |
| 4 |
| 3 |
=
| 4 |
| 9 |
| 2 |
| 3 |
=
| 2 |
| 3 |
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