151.见老jj,问X3Y2Z>0?
1). XYZ>0
2). X2Y>0
【确定】 B
我怎么觉得是c阿
135 A computer can be obtained in City A for A and the CT ( Consumption Tax) rate is T1. The same computer can be purchased in City B for B and the CT rate is T2, To compare the cost of the two cities.
(1)A is $30 greater than B
(2)AT1 > BT2
【讨论】e
我觉得是c