bonjour, vous pouvez m'aider svp merci classe:5eme​

bonjour

a) 7 x 8 = 56

b ) 7 x  15/7 =  105/7 = 15

c) 3 x 19/3 = 57/3 = 19

d) 6 x 5/6 = 30/6 = 5

e) 17 x 8/17 = 136/17 = 8

f) 12 x  6/12  =  72/12 = 6

g) 17 x  1/10 = 17/10 = 1.7

h  ) 0.25 x 10 = 2.5

i ) 4/12 x 12 = 48/12 =  4

j ) 2/3 x 15 = 30/3 = 10

k ) 3/4 x 8 = 24/4 = 6

l ) 7 x 9/2 = 63/2  = 31.5