Va rogggg!!!!!! Imi trebuie urgent!!!! Doar rezolcarea!!! Dau coroană!!!!
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60 = 3 segm. + 15
45 = 3 segm
1 segm = 45 : 3
1 segm = 15
Deci b = 15
Iar a = 15 * 4 + 15
a = 60 + 15
a = 75