Calculée et simplifier le résultat si possible 1/7-5/7 1/2+5/6. 2/5_3/4. 3/4foit7/11. -2/15foit25/6. -5foit(-9/4). Pouvait me donner les réponde les plus vite possible mercie beaucoup d avance bonne soirée
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Bonsoir,1/7-5/7 = - 4/7
1/2+5/6 = (1 x 3) / (2 x 3) + 5/6 = 3/6 + 5/6 = 8/6 = (2 x 4) / (2 x 3) = 4/3
2/5_3/4 = (2 x 4) / (5 x 4) - (3 x 5 ) / (4 x 5) = 8/20 - 15/20 = - 7/20
3/4 x 7/11 = 21/44
-2/15 x 25/6 = - 50/90 = (- 5 x 10) / (9 x 10) = - 5/9
-5 x (-9/4) = 45/4
Verified answer
Bonsoir1/7-5/7=-4/7
1/2+5/6=3/6+5/6=8/6=4/3
2/5-3/4=8/20-15/20=-7/20
3/4*7/11=21/44
-2/15*25/6=-50/90=-5/9
-5(-9/4)
45/-20=9/-4