• Nazorat ishi № 6 I variant
    		•

    III CHORAK Algebra IX sinf




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    5 9 matematikadan yozma ish.

    III CHORAK Algebra IX sinf
    Nazorat ishi № 5
    I variant
    1. Berilgan sonlarni 0,01 aniqlikda yozing: а) ; b) ; d) .
    2. Sonlarni taqqoslang: а) va 1,5; b) va ; d) va –2.
    3.   bo’lsa,   burchakka qo’shni burchakni radianda ifodalang.
    4. Dengiz kompasining aylanasi rumblar deb ataluvchi 32 ta teng qismga bo’linadi. Bir rumbni burchakning gradus va radian o’lchovida ifodalang.
    5. Teng yonli uchburchakning uchidagi burchagi  . Uchburchakning hamma burchaklarini radianlarda ifodalang.
    II variant
    1. Berilgan sonlarni 0,01 aniqlikda yozing: а) ; b) ; d) .
    2. Sonlarni taqqoslang: а) va 2; b) va ; d) va .
    3.   bo’lsa,   burchakka qo’shni burchakni radianda ifodalang.
    4. Vintning parragi   ga aylandi. U qanday burchakka aylangan?
    5. Teng yonli uchburchakning uchidagi burchagi  . Uchburchakning hamma burchaklarini radianlarda ifodalang.
    Nazorat ishi № 6
    I variant
    1. Sonning ishorasini aniqlang: .
    2. Agar   va bo’lsa,   va   ni hisoblang.
    3. Mashinaning vali 1 sekundda 60 ta aylanadi. Burchak tezligi necha rad/sek.
    4.   12 sm li yoyning radian o’lchovi 0,75. Yoyning uzunligi qanday?
    5. Hisoblang: .
    II variant
    1. Sonning ishorasini aniqlang: .
    2. Agar   va   bo’lsa,   va   ni hisoblang.
    3. Valning burchak tezligi 15 rad/sek. Uning bir soatdagi aylanishlar sonini toping.
    4.  8 sm li yoyning radian o’lchovi 0,25. Yoyning uzunligi qanday?
    5. Hisoblang: .



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