3.5×8.2+1.8×5.5简便计算

2025-04-27 09:37:03

推荐回答（3个）

回答1：

这题没有简便计算
应该是写错了
3.5×8.2+1.8×3.5
=3.5×(8.2+1.8)
=3.5×10
=35
或者是
5.5×8.2+1.8×5.5
=5.5×(8.2+1.8)
=5.5×10
=55

回答2：

3.5×8.2+1.8×5.5
=3.5×8.2+1.8×（3.5+2）
=3.5×8.2+1.8×3.5+1.8×2
=3.5×（8.2+1.8）+1.8×2
=3.5×10+3.6
=35+3.6
=38.6

回答3：

5/8*(2/5+1/3)/2/3 =5/8*(2/5+1/3)*3/2 =5/8*(3/5+2) =3/8+10/8 =13/8