Réponse:
10°/ 7/12+5/8
=56/96+60/96
=56+60/96
=116/96
=2x2x29/2x2x2x2x2x3
=29/2x2x2x3
=29/24
11°/ 35/56:8/10
=35/56x10/8
=35x10/56x8
=350/448
=2x5²x7/2x2x2x2x2x2x7
=5²/2x2x2x2x2
=25/32
12°/ 8x11/3x11 ET 27x3/11x3
=88/33 =81/33
DONC: 8/3>27/11
Explications étape par étape :
