Sagot :
1) fundanın yaşı x babasının yaşı y olsun x+y=63 2x+9=y yerine yazarsak 2x+x+9=63
3x+9=63 ise x=18 x+y=63 18+y=63 ise y=45 funda 18, babası 45 yaşındadır
48/2=24-6=18tane erkek 24+6=30 kız vardır 8.SINIFIM ABİNİ DİNLE CVP DOĞRU
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