题目内容
简便计算
13.4-(3.4+0.33)
0.75×
+
×
.
13.4-(3.4+0.33)
0.75×
| 4 |
| 7 |
| 10 |
| 7 |
| 3 |
| 4 |
(1)13.4-(3.4+0.33),
=13.4-3.4-0.33,
=10-0.33,
=9.67;
(2)0.75×
+
×
.
=0.75×
+
×0.75,
=0.75×(
+
),
=0.75×2,
=1.5.
=13.4-3.4-0.33,
=10-0.33,
=9.67;
(2)0.75×
| 4 |
| 7 |
| 10 |
| 7 |
| 3 |
| 4 |
=0.75×
| 4 |
| 7 |
| 10 |
| 7 |
=0.75×(
| 4 |
| 7 |
| 10 |
| 7 |
=0.75×2,
=1.5.
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