3- nazorat ishi matem 4- sinf

matematika 4- sinf 3-nazorat ishi 1-variant 1.masalani yeching: jasur va sardor bir yo’nalsih bo’yicha ketayapti. ularning orasidagi masofa 200 m. sardorning tezligi 85 m/min , jasurning tezligi 65 m/min bo’lsa , qancha vaqtda sardor jasurga yetib oladi? 2. amallarni bajaring 239 700:705-(82•45-3 578)+11= 3. kg da ifodalang 28t 5 q= 285 000g= 75 q= 4. sonlar o’qini chizing. 1 ta katakni 5 birlik deb oling va 10, 25, 45, 60 sonlarini to’g’ri ko’rsating 5. jadvalni to’ldiring x1=4m/s x2=3m/s t,s 0 1 2 3 4 5 x1 15 x2 6 s,m 9 1 2 3 4 5 matematika 4- sinf 3-nazorat ishi 2-variant 1. masalani yeching yugurish yo'lakchasida akmal, uning ortidan esa 350 m masofada jasur yugurib ketmoqda. akmalning tezligi 339 …

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