Question

方程组的解是（　　）                                                             

A．                     B．                     C．                     D．

Answer 1

B【考点】解二元一次方程组．                                                                

【分析】用加减法解方程组即可．                                                           

【解答】解：，                                                              

（1）+（2），得2x=6，                                                                         

x=3，                                                                                                 

（1）+（2），得2y=4，                                                                         

y=2，                                                                                                 

∴原方程组的解．                                                                          

故选：B．                                                                                          

【点评】本题考查了二元一次方程组的解法，是比较简单的题目．