matematika test savollari

m atematika (informatika bilan) tuzdi ( begim eshmuradov ) 4- litsey 1 . muntazam uchburchakka ichki chizilgan doira yuzining shu uchburchakka tashqi chizilgan doira yuziga nisbatini toping. a) 2:3 b) 1:2 c) 1:4 d) 1:3 2 . hisoblang. a) -2 b) 2 c) 1 d) -1 3 . ixtiyoriy uchburchakning ichki burchaklari yigindisi necha gradusga teng? a) 3600 b) 1200 c) 900 d) 1800 4 . tengsizlikning yechimlari tuplamini toping. a) x>0 b) x a>c b) b>c>a c) c > a > b d) a > b > c 11. konusning o’q kesimi teng tomonli uchburchak. to’la sirti 18 ga teng. konus asosining yuzini toping. a) 12 b) 6 c) 8 d) 5 12. ikkita doiraning umumiy vatari 600 va …

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