ПРИМЕРЫ СЛОЖЕНИЯ И ВЫЧИТАНИЯ ПРИМЕРЫ СЛОЖЕНИЯ И ВЫЧИТАНИЯ
ВИДА: 10+2, 12–2, 12–10 (1) ВИДА: 10+2, 12–2, 12–10 (1)
ВАРИАНТ 1. 15–10= 12–10= 10+6= 14–4= 16–6= 18–10= 10+2= 10+5= 17–10= 15–5= |
ВАРИАНТ 4. 17–7= 14–10= 19–10= 11–1= 12–2= 10+7= 10+8= 13–3= 16–10= 10+3= |
ВАРИАНТ 1. 15–10= 12–10= 10+6= 14–4= 16–6= 18–10= 10+2= 10+5= 17–10= 15–5= |
ВАРИАНТ 4. 17–7= 14–10= 19–10= 11–1= 12–2= 10+7= 10+8= 13–3= 16–10= 10+3= |
ВАРИАНТ 2. 10+9= 18–8= 11–10= 17–10= 14–4= 13–10= 10+4= 10+1= 13–10= 19–9=
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ВАРИАНТ 5. 17–7= 15–5= 12–2= 16–10= 13–10= 14–4= 10+8= 15–10= 19–9= 10+6= |
ВАРИАНТ 2. 10+9= 18–8= 11–10= 17–10= 14–4= 13–10= 10+4= 10+1= 13–10= 19–9=
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ВАРИАНТ 5. 17–7= 15–5= 12–2= 16–10= 13–10= 14–4= 10+8= 15–10= 19–9= 10+6= |
ВАРИАНТ 3. 18–8= 16–6= 10+9= 14–4= 17–10= 10+8= 13–3= 14–10= 15–10= 15–5=
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ВАРИАНТ 6. 19–10= 12–2= 12–10= 13–10= 17–7= 15–5= 19–9= 16–10= 10+5= 10+4= | ВАРИАНТ 3. 18–8= 16–6= 10+9= 14–4= 17–10= 10+8= 13–3= 14–10= 15–10= 15–5=
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ВАРИАНТ 6. 19–10= 12–2= 12–10= 13–10= 17–7= 15–5= 19–9= 16–10= 10+5= 10+4= |