方程组解法练习题 一解答题(共16小题)1求适合的x,y的值2解下列方程组(1) (2) (3) (4)3解方程组: 4解方程组:5解方程组:6已知关于x,y的二元一次方程y=kx+b的解有和(1)求k,b的值 (2)当x=2时,y的值 (3)当x为何值时,y=3?7解方程组:(1); (2)8解方程组:9解方程组:10解下列方程组:(1) (2)11解方程组:(1) (2)12解二元一次方程组:(1); (2) 1415解下列方程组:(1); (2)16解下列方程组:(1)(2)二 解下列方程组:(1)(2)(2,3,5)(7,1,2)(3)(4)(0.5,0.5,0.5)(0.5,0.25,0.5)(5)(6)(5,4,6)(9,15,18)(7)(8)(5,1,4)(2,1002,2,1002,2)(9)(10)