每年三月12日是植树节，某学校植树小组若干人植树，植树若干棵， 若每人植4棵，得于20棵没人植，若 假设有X个人，4X+20=8X-少植的树0<；少植的树=4X-205X=6（人）总树量=6×4+20=44（棵）
英语作文（通知类型）：3月12日是植树节，我校将组织全体学生参加植树活动 Comrades，Attention，please。March 12 is our Tree Planting Day.We have decided to go and plant trees that day.All the students in our school are supposed(required)to take part in the activity.Each class must take five or six basins to water the young trees.Others are to take spades to dig holes.We are going to gather on the school playground at seven on the morning of March 12.And then，we will take our school bus to the West Hill.Please don't be late or absent.Thank you.
小学植树节主题活动简报 3月12日，是一年一度的植树节。为进一步提高全校师生的绿化意识和文明素质，用自己的双手努力营造一个良好的环境，丰士小学组织开展了以学雷锋 我行动为主题的植树护绿活动。
