Respuestas

  • Usuario de Brainly
2013-05-06T02:01:51+02:00

3(1/5 + 2/3) + 2/7  =   primero resolves la suma

 

3(3/15 +10/15) + 2/7 = 

 

3 (13/15) + 2/7 =

 

13/5 + 2/7  =

 

91/35 + 10/35 =

 

101/35

 

espero que te sirva, salu2!!!!

 

  • Usuario de Brainly
2013-05-06T02:06:15+02:00

3X (1/5+2/3)+2/7

(3/1X13/15)+2/7

39/15+2/7

= 303/105 y se simplifica y esto da = 101/35