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primary 5 | Maths
| Whole Numbers
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Date Posted: 1 month ago
Views: 62
difference_before = 160
change = 185
difference_after
= 3u - 1u = 2u
= 2×change - difference_before
= 2×185 - 160
= 210
1u = 210÷2 = 105
G before 【at first 】
= 3u-185
= 3×105-185
= 130 (Ans)
change = 185
difference_after
= 3u - 1u = 2u
= 2×change - difference_before
= 2×185 - 160
= 210
1u = 210÷2 = 105
G before 【at first 】
= 3u-185
= 3×105-185
= 130 (Ans)
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