1- ni matematika snn javobi

mavzu: 1-nazorat ishi. gul do‘konida katta guldonda 46 ta atirgul, kichik guldonda 25 ta atirgul bor. chinnigullar soni atirguldan 10 marta ko‘p. chinnigullar sonini aniqlang? yechish: 46+25=71 71x10=710 ta gul do‘konida katta guldonda 43 ta atirgul, kichik'guldonda 27 ta atirgul bor. chinnigullar soni atirguldan 10 marta ko‘p. chinnigullar sonini aniqlang. yechish: 43+27=70 70x10=700 ta 2. qulay usulda hisoblang. 778 - (250 + 178) = 778-178-250=600-250=350 760 - (160 + 375)=760-160-375=600-375=225 3. tenglamani yeching. x + 346 900 = 846 520 9 000 000 - u = 220 360 x=846 520-346 900 y= 9 000 000-220 369 x=499 620 y=9 779 631 4. metrlarda ifodalang. 5 km 180 m =6 180 m 7 km 729 m =7 729 m 12 km …

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