Cevaplar

2012-11-01T19:56:32+02:00

a + b = 22

a - b = 8

 

toplarsak (a+b) + ( a-b ) = 22+8

a+b+a-b = 30

2a = 30

a= 15

b = 22-15 = 7

a * b = 15 * 7 = 105

 

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