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计算: (1)9+5×(-3)-(-2)2÷4;(2)(12?13)÷(16)+(-2)2×(-14
计算:(1)9+5×(-3)-(-2)2÷4;(2)(12?13)÷(16)+(-2)2×(-14)...
计算: (1)9+5×(-3)-(-2)2÷4;(2)(12?13)÷(16)+(-2)2×(-14)
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解答:(1)解:原式=9-15-4÷4
=9-15-1
=-7;
(2)解:原式=
×6-
×6+4×(-14)
=3-2-56
=-55.
=9-15-1
=-7;
(2)解:原式=
1 |
2 |
1 |
3 |
=3-2-56
=-55.
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