Сложите числа \(\displaystyle 4\) и \(\displaystyle -2\small.\)

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Сложите числа \(\displaystyle 4\) и \(\displaystyle -4\small.\)

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Сложите числа \(\displaystyle 4\) и \(\displaystyle -8\small.\)

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Сложите числа \(\displaystyle 4\) и \(\displaystyle 0\small.\)

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