
计算:(1)(-10)+8×(-2)2-(-4)×(-3)(2)-3×(-2)2-(-1)2013÷0.5.
计算:(1)(-10)+8×(-2)2-(-4)×(-3)(2)-3×(-2)2-(-1)2013÷0.5....
计算:(1)(-10)+8×(-2)2-(-4)×(-3)(2)-3×(-2)2-(-1)2013÷0.5.
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(1)原式=(-10)+8×4-12
=(-10)+32-12
=10;
(2)原式=-3×4-(-1)÷0.5
=-12+2
=-10.
=(-10)+32-12
=10;
(2)原式=-3×4-(-1)÷0.5
=-12+2
=-10.
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