帮帮忙算算题数学的简便运算

问题描述:

帮帮忙算算题数学的简便运算
4.7乘4分之3加5.3除以1又3分之1减6.5

简便计算:
4.7*(3/4)+[5.3/(4/3)]-6.5
解,得:
==4.7*(3/4)+[5.3*(3/4)]-6.5
==[(4.7*+5.3)*(3/4)]-6.5
==[10*(3/4)]-6.5
==(15/2)-6.5
==7.5-6.5
==1