3-s.tenglamalar.12-d

3-sinf fan nomi:matematika mavzu: tenglamalar 7-bob.12-dars 1 dars shiori: matematika fanlar ichra shoh, uning sirlaridan bo`laylik ogoh! o`tilganlarni mustahkamlash: sinf ishi x : 6= 54 64 : a = 8 keltirildi – 900 ta kitob joylandi – ? ta javonga 100 tadan yechish: 900 ÷ 100 = 9 ta . javob: javonlar soni 9 ta tenglama tuzib yechish: 900 ÷ x = 100 x = 900 ÷ 100 x = 9 900:9=100 100=100 dam olish daqiqasi! 4) 1000 = x + 800 x = 1000 – 800 x = 200 g x – 100 = 400 x = 400 + 100 x = 500 g 2) 800 = x + 100 x = 800 – 100 x = 700 g …

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