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x + x + 2 + x + 4 = 45
3x + 6 = 45
3x = 45 - 6
3x = 39
x = 13
Bilangan terkecil = 13 , maka 2 bilangan yg lain yaitu 15 dan 17
Jumlah bilangan terbesar dan terkecil
= 13 + 17
= 30