(1)计算:(1)(-2)+(+5)-(+4)-(-3)-3(2)计算:-5×(-6)+3×(-8)-(-4)×(-7
(1)计算:(1)(-2)+(+5)-(+4)-(-3)-3(2)计算:-5×(-6)+3×(-8)-(-4)×(-7)...
(1)计算:(1)(-2)+(+5)-(+4)-(-3)-3(2)计算:-5×(-6)+3×(-8)-(-4)×(-7)
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