Pls explain using ratio method. Not model ruler. Tks First I take 5-4 = 1 , th

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primary 6 | Maths | Ratio
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primary 6 Maths Ratio Singapore

Pls explain using ratio method. Not model ruler. Tks First I take 5-4 = 1 , then I take 7 - 5 = 2 . Then multiple is 2 . Then I am stuck . Tks

Date Posted: 3 years ago

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2 methods

1) ratio - difference unchanged
2) model → 【LCM → 4 , 5 → 20】

Date Posted: 3 years ago