Tolong jawab a 3/4-1/2+1/4. B. 4/7-1/4:1/2. C. 1/4+1/2-1/8
3/4 - 1/2 + 1/4
= 3/4 - 2/4 + 1/4
= 1/4 + 1/4
= 2/4
= 1/2
4/7 - 1/4 : 1/2
= 4/7 - (1/4 x 2/1)
= 4/7 - 1/2
= 8/14 - 7/14
= 1/14
1/4 + 1/2 - 1/8
= 2/8 + 4/8 - 1/8
= 6/8 - 1/8
= 5/8
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