
计算:(1)-32-50÷(-5)2-1;(2)?1?[2?(1?13×0.5)]×[32?(?2)2](3)(?2)4÷(?223)2+512×(?16)?0.
计算:(1)-32-50÷(-5)2-1;(2)?1?[2?(1?13×0.5)]×[32?(?2)2](3)(?2)4÷(?223)2+512×(?16)?0.25(4...
计算:(1)-32-50÷(-5)2-1;(2)?1?[2?(1?13×0.5)]×[32?(?2)2](3)(?2)4÷(?223)2+512×(?16)?0.25(4)-32×2+(-2)3×3-48÷(-2).
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(1)原式=-9-50×
-1
=-9-2-1
=-12.
(2)原式=-1-[2-(1-
)]×[9-4]
=-1-
×5
=-6
.
(3)原式=16÷(-
)2+
×(-
)-
=16×
-
-
=
-
-
=1
.
(4)原式=-9×2+(-8)×3+24
=-18-24+24
=-18.
1 |
25 |
=-9-2-1
=-12.
(2)原式=-1-[2-(1-
1 |
6 |
=-1-
7 |
6 |
=-6
5 |
6 |
(3)原式=16÷(-
8 |
3 |
11 |
2 |
1 |
6 |
1 |
4 |
=16×
9 |
64 |
11 |
12 |
1 |
4 |
=
9 |
4 |
11 |
12 |
1 |
4 |
=1
1 |
12 |
(4)原式=-9×2+(-8)×3+24
=-18-24+24
=-18.
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