12+7 - 19, 20-9 - 11, 6+14 - 20, 18-17 - 1, 13+7 - 20, 1+13 - 14, 17-5= - 12, 11+2= - 13, 16-6 - 10, 16-5 - 11,

Счёт до 20 без перехода через десяток

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