2.3x1.5十4.5÷0.75简便计算?

2025-06-28 21:46:20
推荐回答(1个)
回答1:

2.3×1.5+4.5÷0.75
=2.3×1.5+4.5÷3/4
=2.3×1.5+4.5×4/3
=2.3×1.5+1.5×4
=(2.3+4)×1.5
=6.3×1.5
=9.45