Sagot :
Bonsoir
a = 10/35 -21/35 = -11/35
b = -3/5 x 2/1 = -6/5
c = -28/14 : -14/9 = -28 x 9 sur 14 x -14 = -2 x 9 sur 14 x -1 = -18/-14 = 9/2
d = (-6/3+5/3) : 9/7 = -1/3 x 7/9 = 7/27
e = 10 - 320 +100 = -210
a = 10/35 -21/35 = -11/35
b = -3/5 x 2/1 = -6/5
c = -28/14 : -14/9 = -28 x 9 sur 14 x -14 = -2 x 9 sur 14 x -1 = -18/-14 = 9/2
d = (-6/3+5/3) : 9/7 = -1/3 x 7/9 = 7/27
e = 10 - 320 +100 = -210