Математика

Mar. 12th, 2016 12:30 pm
ksun_scher: (движение)
[personal profile] ksun_scher
Попался мне на просторах сети учебник Арифметики для 1 класса 67 года.
https://yadi.sk/i/tgH8sTrtq6uec
Так занятно. Сейчас это все растянуто почти на 2,5 года!
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