1.Simplie le plus possible. 8X35/14X(-2) 3X7X(-4)/6X(-2) 2.Simplifie le plus possible. a. 34/12    55/-33     16/-20   9/18  -56/-8 b. 3X5/4X5   3X(-7)/5X3   -3

8 x 35 / 14 x (-2)
280 / 14 x (-2)
20 x (-2)
-40

3 x 7 x (-4) / 6 x (-2)
-84 / 6 x (-2)
-14 x (-2)
28

34/12 = 17/6
55/-33 = -5/3
16/-20 = -4/5
9/18 = 1/2
-56/-8 = 7

3 x 5 / 4 x 5 = 15/20 = 3/4
3 x (-7) / 5 x 3 = -21 /15 = -7/5

-3 x 4 x 2 / 3 x (-8) x (-5)
-24 / 3 x (-8) x (-5)
-8 x (-8) x (-5)
64 x (-5)
-320