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matematika uchebnik dlya uchashixsya 2-go klassa shkol obshego srednego obrazovaniya chetvertoe izdanie utverjdyon ministerstvom narodnogo obrazovaniya respubliki uzbekistan tashkent «yangiyo‘l poligraf servis» 2018 n. abduraxmanova, l. urinbaeva ? 46–20 37 +12 16:2 2•8 otvetstvenniy redaktor: mamanazar djumaev – professor, kandidat pedagogicheskix nauk, tgpu. retsenzenti: sh. ismailov – direktor gosudarstvennoy obsheobrazovatelnoy shkoli spetsializirovannoy po predmetam matematika, astronomiya, fizika, informatika imeni mirzo ulugbeka pri ministerstve narodnogo obrazovaniya, kandidat fiziko-matematicheskix nauk, dotsent; z. djumanova – nachalnik otdela nachalnogo obrazovaniya rtso; z. xusenova – uchitel nachalnix klassov shkoli №244 goroda tashkenta. — podumay i naydi! — zadanie dlya ust- nogo vipolneniya — zadanie dlya pis- mennogo vipolneniya — vstavte znaki: bolshe, menshe, ravno — vstavte nujnie tsifri ili znaki v pustie kletki 1, 2 ... uslovnie oboznacheniya: isbn 978-9943-5243-7-8 © yangiyo‘l poligraf servis, 2012–2018. © n. abduraxmanova, l. urinbaeva, 2012–2018. udk 51(075.2) bbk 22.1 a13 abduraxmanova, nabiya matematika: uchebnik dlya 2-go klassa shkol obshego …

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40 40 – 10 30 + 20 70 – 20 90 – 50 ? 4 5. kak nazivayut eti figuri odnim slovom? 1) 2) 3) 4) 6. v magazin utrom privezli 29 litrov moloka. do obeda prodali 20 litrov moloka. skolko litrov moloka ostalos? 7. 37 – 7 40 + 9 58 – 50 94 – 90 20 + 8 16 – 6 30 + 10 62 – 40 1. 2. na ekskursiyu v zoopark poshli 27 uchenikov iz pervogo klassa, a iz vtorogo klassa – na 3 uchenika bolshe. skolko uchenikov poshli na ekskursiyu v zoopark iz vtorogo klassa? 67 + 3 = 60 7 + 3 60 + (7 + 3) = 60 + 10=70 38 – 30 = 30 8 (30 – 30) + 8 = 0 + 8 = 8 5 3. vipolnite po obraztsu: 65 = 60 + 5. 57 = 50 + 32 = …

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, 60 i 20. 6. 37 + 12 67 + 22 57 – 32 25 + 14 37 – 12 67 – 22 57 + 32 25 – 14 28 + 11 46 + 13 76 – 22 36 + 13 57 + 32 = 57 – 32 = 7 + 2 = 9 7 – 2 = 5 50 + 30 = 80 50 – 30 = 20 80 + 9 = 89 20 + 5 = 25 8 1. kakoy sposob udobnee? 96 – 44 = 96 – 44 = 6 – 4 = 2 96 – 40 = 56 90 – 40 = 50 56 – 4 = 52 50 + 2 = 52 96 – 44 = 52 96 – 44 = 52 2. massa yashika s granatami ravna 12 kg, a s vinogra- dom – na 2 kg menshe. chemu ravna massa yashika s vinogradom? …

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va platya otrezali 50 metrov tkani. skolko metrov tkani ostalos v rulone? 11 2) ot rulona tkani otrezali 50 metrov. v rulone ostalos 40 metrov tkani. skolko vsego metrov tkani bilo v rulone? 4. umenshaemoe 90 80 38 57 96 70 49 vichitaemoe 50 30 30 32 44 10 24 raznost 6. zapishite v odin stolbik primeri na slo- jenie, a vo vtoroy primeri na vichitanie. naydite chislovie znacheniya etix viraje- niy: 50 + 30, 90 – 40, 57 + 3, 28 – 20, 57 + 12, 76 – 34. 7. 66 – 44 96 – 36 58 + 22 74 + 23 55 + 20 87 – 47 57 – 32 74 – 23 pryamoy ugol. ne pryamoy ugol 1. pryamie ugli. ugli, bolshie i menshie pryamogo ugla. lineyka v forme treugolnika, u kotorogo odin ugol pryamoy, a dva dru- gix – ne pryamie, nazivaetsya ugol- nikom. 12 s …

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20 57 + 3 28 – 8 43 – 30 64 + 20 57 – 7 20 + 8 1. 2. vstavte takie chisla, chtobi ravenstva bili vernimi: 70 + = 76 44 – = 40 30 + = 39 28 – = 20 90 + = 90 67 – = 60 100 60 57 50 75 83 26 48 6830 + = 15 3. pri pomoshi tsifr 4, 5, 9 mojno sostavit 9 dvu znachnix chisel: 44, 45, 49, 54, 55, 59, 94, 95, 99. zapishite vse dvuznachnie chisla, kotorie mojno sostavit pri pomoshi tsifr 3, 7, 8. 4. 1) nachertite v tetradi takuyu je lomanuyu liniyu: 2) opredelite kolichestvo zvenev, sostavlyayu shix lomanuyu liniyu; 3) naydite summu dlin vsex zvenev. 5. sostavte zadachu po risunku i reshite eyo. 6. k nachalu raboti v bake traktora bilo 48 litrov goryuchego. k kontsu raboti v bake ostalos vsego 8 litrov …

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matematika uchebnik dlya uchashixsya 2-go klassa shkol obshego srednego obrazovaniya chetvertoe izdanie utverjdyon ministerstvom narodnogo obrazovaniya respubliki uzbekistan tashkent «yangiyo‘l poligraf servis» 2018 n. abduraxmanova, l. urinbaeva ? 46–20 37 +12 16:2 2•8 otvetstvenniy redaktor: mamanazar djumaev – professor, kandidat pedagogicheskix nauk, tgpu. retsenzenti: sh. ismailov – direktor gosudarstvennoy obsheobrazovatelnoy shkoli spetsializirovannoy po predmetam matematika, astronomiya, fizika, informatika imeni mirzo ulugbeka pri ministerstve narodnogo obrazovaniya, kandidat fiziko-matematicheskix nauk, dotsent; z. djumanova – nachalnik otdela nachalnogo obrazovaniya rtso; z. xusenova – uchitel nachalnix klassov shkoli №244 goroda tashkenta. — podumay i naydi! — zadanie dlya ust-...

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