【評論主題】7. 下列算式哪一個錯誤?(A) 12 × (−6) × 2 = 12 × (−6 × 2) (B) 12 ÷ (−6) ÷ 2 = 12 ÷ (−6 ÷ 2)(C) 12 ÷ (−6) ÷ 2 =
【評論內容】
答案是B
依題意 (☆) 12 ÷ (−6) ÷ 2 = ...