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5/12÷25/9+6/5×(4/6-8/18)​

Răspuns :

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Vezi imaginea IGNATOVVLAD201

5 / 12 • 9 / 25 + 6 / 5 • 2 / 9

1 / 4 • 3 / 5 + 2 / 5 • 2 / 3

3 / 20 + 4 / 15

= 5 / 12.