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calculati ...1supra 3 ori12
7supra56ori14


Răspuns :

1/3 × 12 = 12/3 = 4
7/56 × 14 = 98/56 SIMPLIFICAM PRIN 2 = 49/28 SIMPLIFICAM PRIN 7 = 7/4
1/3 x 12 = 12/3 = 4

7/56 x 14 = 7x14/56 = 98/56 = 7/4