Cevaplar

2013-01-05T15:37:01+02:00

4x+1x=125         125*4=  500 500-125=375

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2013-01-05T15:41:45+02:00

4a+a=5a=125 

125/5=25=a ya

4*25=100=4a ya

100-25=75 =3a ya

 

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