
计算:(1)3-(14+16-12)×(-12);(2)-12×2+(-2)3÷4-(-5)
计算:(1)3-(14+16-12)×(-12);(2)-12×2+(-2)3÷4-(-5)....
计算:(1)3-(14+16-12)×(-12);(2)-12×2+(-2)3÷4-(-5).
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(1)原式=3-(-3-2+6)
=3-1
=2;
(2)原式=-1×2+(-8)÷4-(-5)
=-2-2+5
=1.
=3-1
=2;
(2)原式=-1×2+(-8)÷4-(-5)
=-2-2+5
=1.
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