五一班45名同学参加植树，其中2/5的同学负责挖坑，其余的同学负责植树，植树的同学有多少人？(L:F+r1k(d.S/@-?*@:b7P6S1T
算式：提示/S1b5~9G)Q1`(L:F+r1k(d.S/@-?*@:b7P6S1T
答：植树的同学有/Q0x9V+_7[:h人。(L:F+r1k(d.S/@-?*@:b7P6S1T