2.3x1.5十4.5÷0.75简便计算?

2024-12-14 11:28:02
推荐回答(1个)
回答1:

2.3x1.5十4.5÷0.75
=2.3x1.5十6
=2.3x(1+0.5)十6
=2.3+1.15+6
=8.3+1.15
=9.45