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If for all integers x and y; then (-5)×2=
If for all integers x and y; then (-5)×2=
admin
2019-02-01
81
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.
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