题目内容
计算:
(1)
-
;
(2)
.
(1)
| 0.09 |
| 3 | -8 |
(2)
| 132-122 |
(1)原式=0.3-(-2)
=0.3+2
=2.3;
(2)原式=
=
=5.
=0.3+2
=2.3;
(2)原式=
| (13+12)(13-12) |
=
| 25 |
=5.
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题目内容
| 0.09 |
| 3 | -8 |
| 132-122 |
| (13+12)(13-12) |
| 25 |