6.3除以8+0.125乘以3.7用简便方法怎么计算_数学解答

6.3除以8+0.125乘以3.7用简便方法怎么计算

人气：127 ℃　时间：2019-12-24 20:59:45

解答

6.3除以8+0.125乘以3.7=6.3÷8+0.125X3.7=6.3X0.125+0.125X3.7=0.125X6.3+0.125X3.7=0.125X(6.3+3.7)=0.125X10=1.25或=6.3÷8+0.125X3.7=6.3÷8+3.7÷8=(6.3+3.7)÷8=10÷8=1.25