计算(125+1.25+12.5+0.125)*8的简便方法

(125+1.25+12.5+0.125)*8
=125*8+1.25*8+12.5*8+0.125*8
=1000+10+100+1
=1111

125*8+1.25*8+12.5*8+0.125*8=1000+10+100+1=1111

(125+1.25+12.5+0.125)*8
=125*8+1.25*8+12.5*8+0.125*8
=1000+10+100+1
=1111
逐个的物瞎敬乘罩慎最简单神哗