D_28 uchun yechish
D_{28}=350
D_28'ni tayinlash
D_{28}≔350
Baham ko'rish
Klipbordga nusxa olish
D_{28}=\frac{28\times 25}{2}
25 olish uchun 28 dan 3 ni ayirish.
D_{28}=\frac{700}{2}
700 hosil qilish uchun 28 va 25 ni ko'paytirish.
D_{28}=350
350 ni olish uchun 700 ni 2 ga bo‘ling.
Misollar
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