计算0.125×6分之19+1.25×6分之29

问题描述:

计算0.125×6分之19+1.25×6分之29

0.125×6分之19+1.25×6分之29
=1.25×(1.9/6+29/6)
=1.25×(30.9/6)
=1.25×5.15
=6.4375