4. x ve y birbirinden farklı rakamlar olmak üzere, 5xy4 ve 5yx4 dört basamaklı, xy ve yx iki basamaklı sayılardır. Buna göre, - 5xy4 - 5yx4 ху - ух ifadesinin değeri kaçtır? A) 9 B) 10 MUBA YAYINLARI C) 20 D) 90 EX 100​

Cevap :

Cevap:

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