NEEDHELP
Answered

Aidez moi pls ^^' :

 

A= 1/5 - ( -1/15 + 3/25 ) + 2/3

 

B = 3/4 - 1/6 + 1/4 - 2/3 + 7/6 - 1/3

 

 

Sagot :

FABRICE

A= 1/5 - ( -1/15 + 3/25 ) + 2/3

= 1/5 + 1/15 - 3/25 + 2/3

= 15/75 + 5/75 - 9/75 + 50/75

= 61/75

 

B = 3/4 - 1/6 + 1/4 - 2/3 + 7/6 - 1/3

= 4/4 + 6/6 - 3/3

= 1 + 1 - 1

= 1

 

En espérant t'avoir aidé.