4- sinf matematika 48- dars qarama-qarshi harakat

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888 jizzax shahar 17-maktabning boshlang’ich sinf o’qituvchisi yunusova mohira azimovnaning 4-sinflar uchun tayyorlagan taqdimoti https://t.me/mohirayunusova https://t.me/mohirayunusova sinf: 4 dars: matematika mavzu: qarama-qarshi harakat 48-dars dars shiori matematika darsi- fanlarning eng a’losi. bizni olg’a yetaklaydi raqamlarning dunyosi. 1. avtomobil har bir soatda yetib borishi mumkin bo’lgan koordinatalarni tanlang va o‘zbekistondagi eng mashhur tog’li hududning nomini toping. 125-50=75km/s 1h=75 km 25 ch i m y o n 300km 40km 300-240=60km yaqinlashish tezligi 240-40=200 km 300-200=100km 100 km 3 h 120 avtomobillar bir-biriga qarama-qarshi yo'nalishda harakatlanganda, ular orasidagi masofa vaqt birligi ichida ular birgalikda qancha masofani bosib o‘tgan bo‘lsa, shunchaga qisqaradi. bu kattalik yaqinlashish tezligi deb ataladi . yaqinlashish tezligi: vyaq = v1 + v2 3. savollarga javob berish uchun ifodalar tuzing va hisoblang. a) ikki poyezd bir vaqtda ikki shahardan bir-biriga qarshi yo‘lga chiqdi. birinchi poyezdning tezligi 72 km/h, ikkinchi poyezdning tezligi 66 km/h. poyezdlar qanday tezlikda bir-biriga yaqinlashmoqda? vyaq = v1 …

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a chiqdi. 3 soatdan keyin velosipedchi va piyoda orasida qancha masofa qoladi? toshkent bilan xojikent orasidagi masofa 88 km. 17km/h•3=51km 51km/h 5km/h•3=15km 15km/h 51km+15km=66km 88km-66km=22km 5. hisoblang. 4 h 38 min + 6 • (3 h 15 min - 2 h 57 min) 7 h 41 min - 3 • 1 h 33 min - 6 h 45 min : 5 1) 3 h 15 min - 2 h 57 min =18 min 2) 6 • 18 min=108 min = 1 h 48 min 3) 4 h 38 min + 1 h 48 min= 6 h 26 min 1) 1 h 33 min •3=4 h 39 min 2) 6 h 45 min : 5 = 1 h 21 min 3) 7 h 41 min – 4 h 39 min=3 h 2 min 4) 3 h 2 min -1 h 21 min= 1 h 41 min 6. tog'ga sayohat yo'nalishi 4 …

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888 jizzax shahar 17-maktabning boshlang’ich sinf o’qituvchisi yunusova mohira azimovnaning 4-sinflar uchun tayyorlagan taqdimoti https://t.me/mohirayunusova https://t.me/mohirayunusova sinf: 4 dars: matematika mavzu: qarama-qarshi harakat 48-dars dars shiori matematika darsi- fanlarning eng a’losi. bizni olg’a yetaklaydi raqamlarning dunyosi. 1. avtomobil har bir soatda yetib borishi mumkin bo’lgan koordinatalarni tanlang va o‘zbekistondagi eng mashhur tog’li hududning nomini toping. 125-50=75km/s 1h=75 km 25 ch i m y o n 300km 40km 300-240=60km yaqinlashish tezligi 240-40=200 km 300-200=100km 100 km 3 h 120 avtomobillar bir-biriga qarama-qarshi yo'nalishda harakatlanganda, ular orasidagi masofa vaqt birligi ichida ular birgalikda qancha masofani bosib o‘tgan bo‘lsa, shunchaga qisqaradi. ...

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