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Mathematics for IGCSE & O level - The Four Operations (Section 1 - No. 28)
What values are equal to 1/4 + 2/8?
1/2
3/8
2/4
4/8
解释
1/4 = 2/8, then 2/8 + 2/8 = 4/8, also 4/8 = 1/2
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