1.三年级栽了 x 棵。4x + 8 = 1084x = 100x = 25 棵 2..男生有 x 人。x - x/3 = 32两边同乘以 3 ,得2x = 96x = 48 人
(1)X+3X+8=108,解得X=25(2)X-X/3=32,解得X=48一定要采纳啊