Sagot :
Bonjour
-2*-6= 12
-6*-3/4 = 18/4 = 9/2
-3/4*-2 = 6/4 = 3/2
-3/4 *-3/4 = 9/16
1/12*-2 =-2/12 =-1/6
1/12 *-3/4 =-3/48=-1/16
9/8 *-2 =-9/4
9/8 *-3/4 =-27/32
-3/4 * x =-1
x = 4/3
-6*4/3 =-8
1/12*4/3 = 4/36= 1/9
9/8 *4/3 = 3/2
Je te laisse faire la dernière ligne
Bonne journée