AC Lim's answer to Leisha's Secondary 1 Maths Singapore question.

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AC Lim
Ac Lim's answer
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AC Lim
AC Lim
2 years ago
U can use HCF for b) i
1200 = 2⁴ x 5³
400 = 2⁴ × 5²
1000 = 2³ × 5³
HCF = 2³ × 5² = 200