Respuestas

  • Usuario de Brainly
2013-12-07T23:53:37+01:00
225/7 = 32.14
1170/7 = 167.14

=>  t1 = 33(7)                   (+)
=> t2 = 34(7)                        ↓
:::::::::::::::::::::::::::::
:::::::::::::::::::::::::::::
=> t167 = (32+167)(7) =  199(7)  

Suma  = 7( 33 + 34 + ..... 199)
Suma = 7 ( 199(200)/2 - (32)(33)/2)
Suma = 7(1990 - 528)
Suma = 7 (1462)
Suma = 10234