(a+b)(a+b)/2=1/2ab+1/2ab+1/2c²
来源：学生作业帮助网 编辑：作业帮 时间：2024/06/16 17:17:20
(a+b)(a+b)/2=1/2ab+1/2ab+1/2c²
(a+b)(a+b)/2=1/2ab+1/2ab+1/2c²
(a+b)(a+b)/2=1/2ab+1/2ab+1/2c²
(a+b)(a+b)/2=1/2ab+1/2ab+1/2c²
(a+b)(a+b)/2=1/2ab+1/2ab+1/2c²
(a+b)(a+b)/2=1/2ab+1/2ab+1/2c²