問題詳情

1.( )下列運算何者正確?
(A) 若3 + x = 10,則x = 10 + 3
(B) 若x – 3= 10,則x = 10 – 3
(C) 若3 × x = 10,則x =


(D) 若x ÷ 3 = 10,則x =



參考答案