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Secondary 1 | Maths
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Yuchin Pang
Yuchin Pang

Secondary 1 chevron_right Maths chevron_right Singapore

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Date Posted: 2 years ago
Views: 374
sstrike
Sstrike
2 years ago
(a)
based on 150 = 2×3×5²
150 ∙ k= 2×(2²)×3×(3²)×5²×(5)

k = (2²)×(3²)×(5) = 180 (Ans)

(b)

a = 2³×7 = 56
150 ∙ a = 2×3×5²× (2³×7) = 8400

b = 3×5 = 15
560 ∙ b = 2⁴×5×7× (3×5) = 8400

Ans: 8400

(c)

2×5 = 10 (Ans)

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