If [img]2011q3/ct_egmatqm_egmatqchoose_0381_201121[/img] for all integers x and

游客2024-01-14  10

问题 If for all integers x and y; then (-5)×2=

选项 A、 
B、 
C、 
D、 
E、 

答案 B

解析 The equation [(2×-5)-2]/[(2×2)-(-5)]=-12/9=-4/3.
转载请注明原文地址:https://www.tihaiku.com/zcyy/3360335.html
最新回复(0)