5.3乘四分之三加0.75乘4.7 等于什么 脱式计算 亲们!

问题描述:

5.3乘四分之三加0.75乘4.7 等于什么 脱式计算 亲们!

5.3乘四分之三加0.75乘4.7
=5.3*0.75+0.75*4.7
=0.75*(5.3+4.7)
=0.75*10
=7.5