• 2.2.4-masala.
  • Buxoro davlat universiteti




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    Yechish:Butun yo`lni S m bo`lsin.Sayyoh yo`lning 0,7*S ni poyezdda, 0,298*S ni paroxodda bosib o`tgandan keyin yo`l oxirigacha 200m qoldi.Demak,

    0,7S+0,298S+200=S , S-0,998S=200, 0,002S=200, S=100000m=100km,

    Sayyoh poyezdda bosib o`tgan yo`li 0,7*S=0,7*100=70 km ekan.Javob:B

    2.2.4-masala.Reja bo`yicha ikkita sex 230 ta kir yuvish mashinasi ishlab chiqarish kerak.Birinchi sex reja bo`yicha ishlab chiqargan mahsulotining 2/9 qismi ikkinchi sex rejasi bo`yicha ishlab chiqargan mahsulotining 80% iga teng.Ikkinchi sex reja bo`yicha qancha mahsulot ishlab chiqargan?

    A)50 B)60 C)80 D)40





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    Buxoro davlat universiteti

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