8-sinf algebra bsb-2 variant-1 @summativ_formativ_baholash

sinf _______ ismi, familiyasi _____________________ sana _____ 8 sinf algebradan 2 – bsb savollari i variant 1. kasrlarni koʻpaytiring. (4 ball) 1) 5𝑦𝑦 𝑧𝑧 ∙ 3𝑥𝑥 15𝑦𝑦 = 2) 𝑎𝑎 2−𝑏𝑏2 3𝑎𝑎+3𝑏𝑏 ∙ 3𝑏𝑏 𝑎𝑎−𝑏𝑏 = javob: _______________________________________________ 2. algebraik kasrlarni boʻling: (4 ball) 1) 25 𝑦𝑦𝑦𝑦 : 5𝑥𝑥 𝑦𝑦𝑦𝑦 = 2) 7𝑏𝑏 4 9𝑐𝑐5𝑦𝑦 : 35𝑏𝑏 4𝑐𝑐2 18𝑐𝑐4𝑦𝑦2 = javob: _______________________________________________ 3. bo‘sh hovuz birinchi quvur orqali 𝑎𝑎 soatda, ikkinchisi orqali 𝑏𝑏 soatda to‘ladi. agar bir vaqtda ikkala quvur ochib qo‘yilsa, hovuzning 5 6 qismi necha soatda to‘ladi? (6 ball) javob: _______________________________________________ 4. amallarni bajaring. (6 ball) 𝑥𝑥 − 1 𝑥𝑥 :� 𝑥𝑥2 + 1 𝑥𝑥2 + 2𝑥𝑥 − 2 𝑥𝑥 + 2� javob: _______________________________________________ 5. 𝑦𝑦 = 3 …

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