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Verified answer
Misalkan :bil. terkecil = a
bil. terbesar = b
b - a = 9
-a + b = 9
2a = 4 + b
2a - b = 4
-a + b = 9
2a - b = 4
_______ +
a = 13
a = 13, maka
-a + b = 4
-13 + b = 4
b = 4 + 13
b = 17