2.9X27.4-2.9X17.4简便计算?

2025-03-26 12:44:52
推荐回答(3个)
回答1:

2.9*27.4-2.9*17.4
=2.9*(27.4-17.4)
=2.9*10
=29

回答2:

2.9×(27.4-17.4)=2.9×10=29

回答3:

2.9×27.4-2.9×17.4
=2.9×(27.4-17.4)
=2.9×10
=29