[計量] GWD24-9
9
The operation* represents either addition, subtraction, or multiplication of
integers, what is the value of 1*0?
(1) 0*2=2
(2) 2*0=2
答案是A
想請問(2) 的情況 代表 加或減都滿足 帶回題幹 1+0=1 1-0=1
這樣不算充分嗎??
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