Cevaplar

2012-10-30T15:36:55+02:00

4-3+9=10 yapar

(-).(-)= +

-.(-)4=+4

-.(-)9=9 topla bulursun

1 1 1
2012-10-30T15:42:32+02:00

(-) .(-) = (+)

(-).(+)=(-)

-(-4)=4

(-3)=(-3)

-(-9)=(+9)

4-3+9=10

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