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C01 Math
Question 3
2020 July(C01) Math Question 3
Ratios, Proportions, Percentages, Fractions
- LCM, GCF, Prime Numbers
Choice B
$$45=1\times3\times3\times5$$ $$50=1\times2\times5\times5$$ $$84=1\times2\times2\times3\times7$$ $$The\ greastest\ common\ factor=1 $$
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