Plizz de l'aide
1) calculer sous forme fractionnaire
a) -1/-7x (-5/9)
b) -2x (-4/7)
c) -2/3x-11/-9
1) calculer sous forme fractionnaire
a) -1/-7x (-5/9)
b) -2x (-4/7)
c) -2/3x-11/-9
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1) Calculer sous forme fractionnaire :a) -1/-7 x (-5/9)= 1/7 x - 5/9 = - 5/63
b) -2 x (-4/7) = 8/7
c) -2/3 x -11/-9 = - 2/3 x 11/9 = - 22/27
= -1x-5 / -7x9
= 5 /-63
= - 5/63
b) -2x (-4/7)
-2x-4 /7
8/7
c) -2/3x-11/-9
= -2 x-11 / 3x-9
= 22 /-27
= - 22/27