1.{X+√5Y=3√2

问题描述:

1.{X+√5Y=3√2
{X-√5Y=√2
2.{√2X+√3Y=3√2
{√3X-√2Y=2√3

1.{X+√5Y=3√2 (1式){X-√5Y=√2(勾是根号吧) ( 2式)1式加2式得2X=4√2X=2√2把X=2√2代入1式得5Y=√2Y=(√2)/5所以{x=2√2{y=(√2)/52.{√2X+√3Y=3√2 (1式){√3X-√2Y=2√3 (2式){2X+√6Y=6(1式乘√2...