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primary 6 | Maths
| Fractions
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Foreign ⬜⬜⬜⬜
Total ⬛⬛⬛+⬜⬜⬜⬜=85
Gave away
⬛+⬜ = 25
3⬛ + 3⬜ = 75 (⬛⬛⬛+⬜⬜⬜=75)
Total (⬛⬛⬛+⬜⬜⬜)+⬜=85
75+⬜=85
⬜ = 10
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