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primary 6 | Maths | Speed
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Brayden
Brayden

primary 6 chevron_right Maths chevron_right Speed chevron_right Singapore

Please help. Thanks

Date Posted: 1 year ago
Views: 259
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sstrike
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5567 answers (A Helpful Person)
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Brayden
Brayden
1 year ago
Why 2 x 280?
Brayden
Brayden
1 year ago
Why 2 x 280?
sstrike
Sstrike
1 year ago
A=X+280
B=X-280
A-B=2×280