please va dau coronita
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Răspuns:
Explicație pas cu pas:
a + b + c = 102
a = b - 8
a = 2c + 2
b - 8 = 2c + 2
b = 2c + 10
2c + 2 + 2c + 10 + c = 102
5c = 102 - 10 - 2 = 90
c = 90 : 5 = 18 cm
b = 2c + 10 = 36 + 10 = 46 cm
a = b - 8 = 46 - 8 = 38 cm