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- 1. Multiple Choice
6 x 5 + 4 x 5
6 + 4 x 5
(6 + 4) x 5
6 + (4 x 5)
6 x (5 + 4) x 5
- 2. Multiple Choice
37 x 8 + 63 x 8
37 + 63 x 8
(37 x 63) + 8
(37 + 63) X 8
(37 X 63 ) X 8
- 3. Multiple Choice
( 55 - 45 ) X 9
55 X 9 + 45 X 9
55 X 9 - 45 X 9
55 - 9 X 45 - 9
(55 X 9) X (45 X 9)
- 4. Multiple Choice
如果「A」、「B」和「C」都分別大於「0」，
以下哪一道算式的答案會跟這題目一樣？
( A + B ) X C
A X ( B + C) X B
A + B + C
C X B X A
A X C + C X B
- 5. Multiple Choice
以下哪一個才是數學法則？
由右至左計算，先計括號內數字，再計乘或除，然後才計加或減
由左至右計算，先計算乘，再計除，然後加，最後才計減
乜都唔駛理，你想點計就點計
由左至右計算，先計括號內數字，再計乘或除，然後才計加或減
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