5*9 - =64, 20/5 - =4, 80/10 - =8, 10*9 - =90, 5*4 - =20, 7*10 - =70, 72/8 - =9, 54/9 - =6, 25+7 - =32, 52-42 - =10,

математика 3 класс

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