用加减法解下列方程组 (1){3u+2t=7 {6u-2t=11 (2){2a+b=3 {3a+
用加减法解下列方程组(1){3u+2t=7{6u-2t=11(2){2a+b=3{3a+b=4(3)2x-5y=-3{-4x+y=-3(4){1/2x-3/2y=-1{2...
用加减法解下列方程组
(1){3u+2t=7
{6u-2t=11
(2){2a+b=3
{3a+b=4
(3)2x-5y=-3
{-4x+y=-3
(4){1/2x-3/2y=-1
{2x+y=3 展开
(1){3u+2t=7
{6u-2t=11
(2){2a+b=3
{3a+b=4
(3)2x-5y=-3
{-4x+y=-3
(4){1/2x-3/2y=-1
{2x+y=3 展开
1个回答
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询