一块三角形玉米地,底长250m高140m,这块地共收玉米9.1吨,平均每公顷可以收玉米多少吨?快························急忙急忙急忙···················快点啊

分类: 作业答案 • 2022-05-21 20:19:11

问题描述：

一块三角形玉米地,底长250m高140m,这块地共收玉米9.1吨,平均每公顷可以收玉米多少吨?
快························急忙急忙急忙···················快点啊

答

这块地的面积是250×140÷2=17500平方米=1.75公顷
平均每公顷可以收玉米9.1÷1.75=5.2吨