Răspuns:
3/26×4/1=12/26
7/12×4/1=28/12
5/6×4/1=20/6
3/4×4/1=12/4
1/8×4/1=4/8
2/3×4/1=8/3
1/2×4/1=4/2
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Explicație pas cu pas
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