
计算:(1)-32-(-3)2×(-2)-[(-2)×(-1)]2.(2)?112÷(0.3×103+13)÷|?4|.
计算:(1)-32-(-3)2×(-2)-[(-2)×(-1)]2.(2)?112÷(0.3×103+13)÷|?4|....
计算:(1)-32-(-3)2×(-2)-[(-2)×(-1)]2.(2)?112÷(0.3×103+13)÷|?4|.
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(1)-32-(-3)2×(-2)-[(-2)×(-1)]2
=-9-9×(-2)-22
=-9+18-4
=5;
(2)?
÷(0.3×
+
)÷|?4|.
=-
÷(1+
)÷4
=-
×
×
=-
.
=-9-9×(-2)-22
=-9+18-4
=5;
(2)?
1 |
12 |
10 |
3 |
1 |
3 |
=-
1 |
12 |
1 |
3 |
=-
1 |
12 |
3 |
4 |
1 |
4 |
=-
1 |
64 |
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