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primary 5 | Maths | Whole Numbers
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KN
KN

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

Pls help

Date Posted: 4 years ago
Views: 203
snell
Snell
4 years ago
after
m: 2u
w: 1u

at first
m: 2u-12
w: 1u+30


2u - 12 = 1u + 30
1u = 42


at first, 144

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