2.3x2.75+6.7x2.75+2.75 简便运算,过程详细

2025-04-18 12:23:04
推荐回答(3个)
回答1:

2.3×2.75+6.7×2.75+2.75
= 2.75×(2.3+6.7+1)
= 2.75×10
= 27.5

5959x65/59-65
= 101×65 - 65
= 100×65
= 6500

回答2:

2.75*(2.3+6.7+1)

回答3:

2.3*2.75+6.7*2.75+2.75
=2.75**2.3+2.75*6.7+2.75*1
=2.75*(2.3+6.7+1)
=2.75*10
=27.5