4.75/2+2.375*23+23怎样简便运算_数学解答

4.75/2+2.375*23+23怎样简便运算

人气：137 ℃　时间：2020-03-25 04:04:43

解答

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