a) 6/7 = ₋⁹₂₁÷₋²₄. Va rog mult!!

Răspuns :

6/7 = 9/21 : 2/4

6/7 = 9/21 × 4/2

6/7 = 3/7 × 2

6/7 = 6/7
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6/7=9/21 :2/4

6/7=3/7*4/2

6/7=3/7*2

6/7=6/7

RASPUNSUL ESTE ADEVARAT