Contact us
Choose a category below so we can get back to you as quickly as possible.
不變.、、長方形
長方形、正方形面積都是邊乘邊長,一邊縮小了4分之一,一邊擴大了4倍,面積不變. 100=10*10,正方形邊長為10釐米.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.