计算:2乘(-5)的积减48除以(-12+4)的商得几?急

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计算:2乘(-5)的积减48除以(-12+4)的商得几?急计算:2乘(-5)的积减48除以(-12+4)的商得几?急计算:2乘(-5)的积减48除以(-12+4)的商得几?急2*(-5)-48/(-1

计算:2乘(-5)的积减48除以(-12+4)的商得几?急
计算:2乘(-5)的积减48除以(-12+4)的商得几?

计算:2乘(-5)的积减48除以(-12+4)的商得几?急
2*(-5)-48/(-12+4)
=-10-48/(-8)
=-10+6
=-4