题目内容
怎样计算简便就怎样算:
5.2×
+25%+1.8×0.25
101×6.7
(
-
)÷
.
5.2×
| 1 |
| 4 |
101×6.7
(
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
(1)5.2×
+25%+1.8×0.25,
=5.2×0.25+0.25+1.8×0.25,
=(5.2+1+1.8)×0.25,
=8×0.25,
=2;
(2)101×6.7,
=(100+1)×6.7,
=100×6.7+6.7,
=670+6.7,
=676.7;
(3)(
-
)÷
,
=
×12-
×12,
=4-3,
=1.
| 1 |
| 4 |
=5.2×0.25+0.25+1.8×0.25,
=(5.2+1+1.8)×0.25,
=8×0.25,
=2;
(2)101×6.7,
=(100+1)×6.7,
=100×6.7+6.7,
=670+6.7,
=676.7;
(3)(
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
=
| 1 |
| 3 |
| 1 |
| 4 |
=4-3,
=1.
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