Réponse :
Ton résultat est environ 0.244.
Explications étape par étape :
(6+0.1)*5/61 1/4+7/12 5-25/6. 5/11*11/6 31/30-1/5
=6.1*5/61 1/4+7/12 5-25/6. 5/11*11/6 31/30-1/5
=30.5/61 1/4+7/12 5-25/6. 5/11*11/6 31/30-1/5
=0.04/4+7/12 5-25/6. 5/11*11/6 31/30-1/5
=0.01+7/12 5-25/6. 5/11*11/6 31/30-1/5
=0.01+0.056-25/6. 5/11*11/6 31/30-1/5
=0.01+0.056-3.84/11*11/6 31/30-1/5
=0.1+0.056-3.84/631/30-1/5
=0.1+0.056-6.08/30-1/5
=0.1+0.056-0.2-1/5
=0.1+0.056-0.2-0.2
=-0.244