挑战习题
1/5单选题
难度:

1.我国出租车收费标准因地而异,A市为:起步价10元,3km后每千米加价1.2元;B市为:起步价8元,3km后每千米加价1.4元;求在A,B两城市坐出租车x(x>3)km的差价是( )元?
A 1.2x+6.4
B 1.4x+3.8
C 2.6-0.2x
D 2.6x+10.2
提示1:
IOaAu+S7mOi0ueetieS6jui1t+atpeS7t+WKoOS4iui2hei/h+i1t+atpeS7t+eahOi0ueeUqA==
正确答案:Qw==
PGRpdj7op6PvvJpB5LiOQueahOW3ruS7tz3vvIgxLjJ4KzYuNO+8iS3vvIgxLjR4KzMuOO+8iTxicj49Mi42LTAuMng8L2Rpdj4=