Stary's answer to Cadmus Janusz's Primary 4 Maths Singapore question.
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No model is required to be drawn.
Step 1: Find LCM (lowest common multiple) of 4 and 5: 4 x 5 = 20
Step 2: Add 1 to LCM to get your answer.
20+1=21
Final answer: 21 stamps
Step 1: Find LCM (lowest common multiple) of 4 and 5: 4 x 5 = 20
Step 2: Add 1 to LCM to get your answer.
20+1=21
Final answer: 21 stamps
Date Posted:
8 months ago
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