【用戶】vvv
【年級】高三下
【評論內容】10 8 + 6 5 * - 由左往右看看到數字 數字 運算符號就計算10 8 + => 10 + 8 = 1818 6 5 * => 6 * 5 =3018 30 - => 18 - 30 = -12=>得-12 6 3 5 * - 2 4 - + 2 - 6 3 5 * => 3 * 5 = 156 15 - => 6-15 = -9-9 2 4 - => 2 - 4 = -2-9 -2 + => -9 + (-2) = -11-11 2 - => -11 -2 = -13=>得-13兩個結果相加 = -12 + (-13) = -25
【用戶】vvv
【年級】大一上
【評論內容】10 8 + 6 5 * - 由左往右看看到數字 數字 運算符號就計算10 8 + => 10 + 8 = 1818 6 5 * => 6 * 5 =3018 30 - => 18 - 30 = -12=>得-12 6 3 5 * - 2 4 - + 2 - 6 3 5 * => 3 * 5 = 156 15 - => 6-15 = -9-9 2 4 - => 2 - 4 = -2-9 -2 + => -9 + (-2) = -11-11 2 - => -11 -2 = -13=>得-13兩個結果相加 = -12 + (-13) = -25