题目内容
写出计算过程并得出结果.
(1)5.2×
+1.8×0.25+25%
(2)
.
(1)5.2×
| 1 |
| 4 |
(2)
12
| ||||||||
2
|
(1)5.2×
+1.8×0.25+25%
=
×(5.2+1.8+1)
=
×8
=2;
(2)
=
=
=1.
| 1 |
| 4 |
=
| 1 |
| 4 |
=
| 1 |
| 4 |
=2;
(2)
12
| ||||||||
2
|
=
| 48-18 |
| 30 |
=
| 30 |
| 30 |
=1.
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