Dasturni shunday o‘zgartiringki, u har gal quyidagi masala yechimini ekranga chiqarsin: Agar darvozaning 9 tasi 5994 so‘m bo‘lsa, 6 tasi narxini toping.
68. Nisbat va proporsiya
Ushbu sahifaga havola:
https://itboom.uz/m68/
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