5. 下列哪一個算式是錯誤的?
(A) 31 × (59 + 87) = 31 × 59 + 31 × 87
(B) (59 + 87) × 31 = 59 × 31 + 87 × 31
(C) 31 ÷ (59 + 87) = 31 ÷ 59 + 31 ÷ 87
(D) (59 + 87) ÷ 31 = 59 ÷ 31 + 87 ÷ 31
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統計: A(4), B(6), C(425), D(68), E(0) #3231307
統計: A(4), B(6), C(425), D(68), E(0) #3231307