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primary 5 | Maths | Rate & Ratio
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niD
NiD

primary 5 chevron_right Maths chevron_right Rate & Ratio chevron_right Singapore

Hi..need help for this qns

Date Posted: 1 year ago
Views: 289
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LH
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73 answers (A Helpful Person)
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niD
NiD
1 year ago
Hi
.thanks for the reply..but would like to know how the u derived to "9u-2u=7u"