2klass matem uroki 11-15 uchebnik
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24 11. razryadi, kruglie chisla. skvoznaya tema: aisti. 3 des. 1 ed. + 9 ed. = 3 des. 10 ed. = 4 des. 31 + 9 = 40 slojenie do kruglogo chisla (31 + 9) + = 12 + = 17 + = 13 + = ?+ 1. ob'yasnite reshenie. + = = = 4. sostavte virajeniya k zadacham pro aistov, vichislite ix znacheniya. ? 31 31 + 9 chyornie belie 38 9 ? 21 samki samtsi ptentsi 3. anvar narisoval 7 aistov, said — na 2 aista bolshe, chem anvar, a umar — na 4 aista bolshe, chem anvar i said vmeste. skolko aistov narisoval umar? 2. vichislite primeri po obraztsu vishe. 62 + 8 37 + 3 41 …
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