0.125×3/4+1/8×7.25+12.5%×2= 1/8 x3/4+1/8×7.25+1/8×2=1/8 x(0.75+7.25+2)=0.125x10=1.25以上就是简便方法。
0.125×3/4+1/8×7.25+12.5%×2=0.125×(3/4+7.25+2)=0.125×(0.75+7.25+2)=0.125×10=1.25
原式=0.125x(0.75+7.25+2)=0.125x10=1.25