suvdagi harakat
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About "suvdagi harakat"
matematika 4-sinf mavzu: suvdagi harakatga oid masalalar odina mirzaolimova 1 qayiqning daryo oqimi bo`yicha tezligini topish uchun qayiqning turg`un suvdagi tezligiga daryo oqimining tezligini qo`shish kerak. qayiqning turg`un suvdagi tezligi - 15km/soat. daryo oqimining tezligi - 3 km/soat qayiqning daryo oqimi bo`yicha tezligi - ? yechish: 15 + 3 = 18 km/soat javob: 18 km/soat qayiqning daryo oqimiga qarshi tezligini topish uchun qayiqning turg`un suvdagi tezligidan daryo oqimining tezligini ayirish kerak. qayiqning turg`un suvdagi tezligi – 16 km/soat daryo oqimining tezligi – 2 km/soat qayiqning daryo oqimiga qarshi tezligi - ? yechish: 16 – 2 = 14 km/soat javob: 14 km/soat mustaqil yeching: qayiq daryo oqimi bo`ylab 60 km masofani o`tish uchun 4 soat sarfladi. oqimga qarshi shu masof...
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