Sagot :
bonjour
A = 6/7 - 3/5 + 2
= 30/35 - 21/35 + 70/35
= 79/35
B = ( 4/5 - 1/10 ) ( 1/3 - 1/4 )
= ( 8/10 - 1/10 ) ( 4/12 - 3 /12 )
= 7/10 * 1/12
= 7/120
C = 2 : 3/4
C = 2 * 4/3
= 8/3
bonjour
A = 6/7 - 3/5 + 2
= 30/35 - 21/35 + 70/35
= 79/35
B = ( 4/5 - 1/10 ) ( 1/3 - 1/4 )
= ( 8/10 - 1/10 ) ( 4/12 - 3 /12 )
= 7/10 * 1/12
= 7/120
C = 2 : 3/4
C = 2 * 4/3
= 8/3