O’nli karslarni berilgan tartibda qo’shing va ayring 3,4,+6,8-1,9
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6-sinf matematika
6-sinf Matematika O’nli karslarni berilgan tartibda qo’shing va ayring 3,4,+6,8-1,9 8,2 b)8,3 c)8,4 To’g’ri To’rtburchakni eni 50sm, bo’yi esa 30sm. To’g’ri to’rtburchakning perimetrini toping? 80 sm b) 30sm c) 160 sm 50 ning 70% izi necha bo’ladi? 35 b) 70 c) 50 Hisoblang (-2)*3-6 0 b) -12 c)-0 5. Tenglamani yeching 467-x=48*2-3 a)38 b)347 c) 374 6. Ayirmani toping 45-(-28)-17 a)56 b)34 c)0 7. Bo’linmani toping -738:9 a)72 b)82 c)-82 8.Ko’paytmani toping 413*(-74) a)30562 b)31562 c)-30562 9. Yig’indini toping 58-(-19)+13+17 a)107 b)110 c)-107 10.Hisoblang 17*13+4-16:2 a) 217 b)-230 c)-225 11 Uchburchakning tomonlari AB=6,2 BC=4,5 AC=7,3 sm ga teng.Uchburchakning perimetrini hisoblang A)17,8sm b)18sm c)18,2sm 12 Uchburchakning ichki burchaklari mos ravishda 60 va 75 gradus bo’lsa uning uchinchi burchagini toping a)57 b)45 c)35 13 Tenglamani yeching X*150=2250 10 b) 15 c)13 14 Kasrlarni qo’shing 17/25 +1/5 a)21/25 b)22/25 c)24/25 15 Yo’lovchi A punktdan B punktga harakatlanayapti. U 15 km masofani 3 soatda bosib o’tgan bo’lsa uning tezligini toping 5km/s b)3km/s c)15km/s
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