5/7 + 3/28 - 1/4
3/4 - 1/4 + 2/3
3/4 - 1/4 + 2/3
Penjelasan dengan langkah-langkah:
5/7 + 3/28 - 1/4
= 5×4/7×4 + 3×1/28×1 - 1×7/4×7
= 20/28 + 3/28 - 7/28
= 23/28 - 7/28
= 16/28÷4/4
= 4/7
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3/4 - 1/4 + 2/3
= 3×4/4×3 - 1×3/4×3 + 2×4/3×4
= 12/12 - 3/12 + 8/12
= 9/12 + 8/12
= 17/12
= 1 5/12
[tex] \\ [/tex]
[answer.2.content]