Question

一块长方形菜地，长6米，宽3米。四周围上篱笆，篱笆长多米?如果一面靠墙，篱笆至少要多少米?

Answer 1

(6+3)×2=18m
答：篱笆长18米
3×2=6m
6+6=12m
答：篱笆至少是12米

Answer 2

1. 2×（6+3）2.至少要12或15米

Answer 3

 

Answer 4

 

追答

第二问有两种情况

Answer 5