4.75/2+2.375*23+23怎样简便运算

问题描述:

4.75/2+2.375*23+23怎样简便运算

4.75/2+2.375*23+23
=19/8+(2+3/8)x23+23
=19/8+2x23+3/8x23+23
=19/8+3/8x23+23x3
=19/8+69/8+69
=11+69
=80