3-s.3xonali sonni 1 xonali songa ko`paytirish.11-dars

3-sinf fan nomi:matematika mavzu:uch xonali sonni bir xonali songa ko`paytirish. 11-mavzu 1 dars shiori: matematika fanlar ichra shoh, uning sirlaridan bo`laylik ogoh! o`tilganlarni mustahkamlash: sinf ishi 175x8-45= 654x3+65= 321-43x9 765x2-67= 226 × 4 = 904 4 × 226 = 904 124 284 992 108 324 972 992 972 1 kunda – 25 ta yashik (8 kg dan) 5 kunda – ? kg. yechish: 1) 25 × 8 = 200 (kg) – 1 kunda eksportga tayyorlangan uzum; 2) 5 × 200 = 1000 (kg) – 5 kunda eksportga tayyorlangan uzum. javob: 5 kunda jami 1000 kg uzum eksportga tayyorlangan dam olish daqiqasi! 100 100 100 1000 1000 1000 1000 x + - x x - x x daftar bilan ishlash image1.png …

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