题目内容
计算.
(1)(-
)2×(-2)4×(-1)5;
(2)-52×4+|-2|×33;
(3)(0.125)12×(-1
)9×(-8)13×(-
)8.
(1)(-
| 1 |
| 3 |
(2)-52×4+|-2|×33;
(3)(0.125)12×(-1
| 2 |
| 3 |
| 3 |
| 5 |
(1)原式=
×16×(-1)
=-
;
(2)原式=-25×4+2×27
=-100+54
=-46;
(3)原式=(-
×8)12×(-8)×(
×
)8×(-
)
=
.
| 1 |
| 9 |
=-
| 16 |
| 9 |
(2)原式=-25×4+2×27
=-100+54
=-46;
(3)原式=(-
| 1 |
| 8 |
| 5 |
| 3 |
| 3 |
| 5 |
| 5 |
| 3 |
=
| 40 |
| 3 |
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