4- nazorat ishi matem 4- sinf

matematika 4- sinf 4-nazorat ishi 1-variant 1. masalani yeching. bir shahardan 2 mashina bir –biriga teskari yo’nalishga qarab yo’lga chiqishdi. 1-mashina 65km/h, 2- mashina 75km/h tezlik bilab harakatlanishayotgan bo’lsa, 3 soatdan keyin ular orasidagi masofa qancha bo’ladi? 2.amallarni bajaring. ( 233 924 + 157 634 - 1939 • 200 ) : 2 = 3.tenglamani yeching. 10 80 : (x – 105) = 27 (5 000 – x ) : 9 =123 4. quyidagi sonlarni o’nliklargacha, yuzliklargacha , mingliklargacha va o’n mingliklargacha aniqlikda yaxlitlang. a) 908 237 ≈ b) 521 876 ≈ c) 680 745 ≈ d) 784 640 ≈ matematika 4- sinf 4-nazorat ishi 2-variant 1. masalani yeching. ikki shahardan bir vaqtda bir-biriga qarab ikki poyezd yo‘lga chiqdi va 4 …

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