3.5×2.5+3.5×6.5+3.5的简便计算

2025-04-01 08:38:12
推荐回答(5个)
回答1:

3.5乘以(2.5加6.5加1)等于3.5乘以10等于35

回答2:

=3.5×(6.5+3.5)+2.5
=3.5×10+2.5
=35+2.5
=37.5

回答3:

3.5×(2.5+6.5+1)=3.5×10=35

回答4:

 

回答5: