Sagot :
bonjour
a. 2/9 : - 5/3 = 2/9 x - 3/5 = - 6 / 45 = - 2 / 15
b. 3/5 : 1/5 = 3/5 x 5 = 15/5 = 3
c. - 1/4 : 3 = - 1 /4 x 1/3 = - 1 /12
d . 22/7 : - 11 = 22/7 x - 1/11 = - 22 / 77 = - 2 /7
bonjour
a. 2/9 : - 5/3 = 2/9 x - 3/5 = - 6 / 45 = - 2 / 15
b. 3/5 : 1/5 = 3/5 x 5 = 15/5 = 3
c. - 1/4 : 3 = - 1 /4 x 1/3 = - 1 /12
d . 22/7 : - 11 = 22/7 x - 1/11 = - 22 / 77 = - 2 /7