Sagot :
bonjour
3/4x1/2=3/8
1/4x7/3=7/12
-1/5x2/3=-2/15
et
-2x(-3)/(-5) = -6/5
B = 10/3
C=-21/5
15)
a. 3/4x1/2=3/8
b. 1/4x7/3= 7/12
c. -1/5x2/3=-2/15
17)
a. -2x-3/-5=30/-5=6/-1
b. 2/-3x(-5)= 30/-3=-10/-1
c. 7x-3/5= -105/5=-21/1
a. 3/4x1/2=3/8
b. 1/4x7/3= 7/12
c. -1/5x2/3=-2/15
17)
a. -2x-3/-5=30/-5=6/-1
b. 2/-3x(-5)= 30/-3=-10/-1
c. 7x-3/5= -105/5=-21/1