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7. \( \frac{3}{5} \) qismi 45 ga teng bo'lgan sonni toping. \( \begin{array}{lll}\text { A) } 60 & \text { B) } 75 & \text { C) } 90\end{array} \)

Ask by Boyd Harris. in Uzbekistan
Jan 22,2025

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Answer

Число равно 75.

Solution

Дано, что \( \frac{3}{5} \) части числа равны 45. Найдём это число. \[ \frac{3}{5}x = 45 \] Умножим обе части уравнения на 5: \[ 3x = 225 \] Теперь разделим на 3: \[ x = 75 \] **Ответ:** В) 75

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Agar \( \frac{3}{5} \) qismi 45 ga teng bo'lsa, unda biz sonni \( x \) deb belgilaymiz. Shunday qilib, tenglamamiz quyidagicha ifodalanadi: \[ \frac{3}{5} x = 45 \] Bu tenglamani yechish uchun har ikki tomonini \( \frac{5}{3} \) bilan ko'paytiramiz: \[ x = 45 \times \frac{5}{3} = 75 \] Demak, javob B) 75. Keling, bizning harakatlarimizni kuchaytiramiz: Har qanday sonni foizlarga ajratishda, avval qismni 1 ga teng tashlash juda muhimdir. Agar siz sonning qismidan mutlaq qiymat chiqarayotgan bo'lsangiz, oxirgi natijalarni har doim tekshirib ko'ring, shunda siz qilib bo'lgandan boshqa samimiy natijalarga ega bo'lasiz! Har doim tenglama yaratishda aniqlikdan foydalaning va biror qismni qanday aniqlashingizga e'tibor bering.

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