(-123)*4+125*(-5)-127*4-5*75
问题描述:
(-123)*4+125*(-5)-127*4-5*75
答
(-123)*4+125*(-5)-127*4-5*75
=4*(-123-127)+(-5)*(125+75)
=4*(-250)-5*200
=-1000-1000
=-2000