计算:(1)2+(-4)-(-2)+4(2)2÷(1-13)×(-23)(3)5-(-2)2×2(4)(34?16?112)×(-48
计算:(1)2+(-4)-(-2)+4(2)2÷(1-13)×(-23)(3)5-(-2)2×2(4)(34?16?112)×(-48)...
计算:(1)2+(-4)-(-2)+4(2)2÷(1-13)×(-23)(3)5-(-2)2×2(4)(34?16?112)×(-48)
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