Sagot :
Bonjour,
A= 1/72 - 3/9
= 1/72 - (3*8)/(8*9)
=1/72 - 24/72
=(1-24)/72
A=-23/72
C=5 - 7/10
=(5*10)/10 - 7/10
=50/10 - 7/10
=(50-7)/10
C=43/10
E=9/3 + 1
=3+1
E=4
G=8/54 + 1/6
=8/54 + (1*9)/(6*9)
=8/54 + 9/54
=(8+9)/54
G=17/54
Bonjour,
A= 1/72 - 3/9
= 1/72 - (3*8)/(8*9)
=1/72 - 24/72
=(1-24)/72
A=-23/72
C=5 - 7/10
=(5*10)/10 - 7/10
=50/10 - 7/10
=(50-7)/10
C=43/10
E=9/3 + 1
=3+1
E=4
G=8/54 + 1/6
=8/54 + (1*9)/(6*9)
=8/54 + 9/54
=(8+9)/54
G=17/54