Решебник по математике 5 класс Алышева Нахождение неизвестного вычитаемого Задание 3

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\[40 - x = 10\]

\[x = 40 - 10\]

\[x = 30.\]

\[Проверка.\]

\[40 - 30 = 10\]

\[10 = 10.\]

\[90 - x = 50\]

\[x = 90 - 50\]

\[x = 40.\]

\[Проверка.\]

\[90 - 40 = 50\]

\[50 = 50.\]

\[100 - x = 30\]

\[x = 100 - 30\]

\[x = 70.\]

\[Проверка.\]

\[100 - 70 = 30\]

\[30 = 30.\]

\[36 - x = 20\]

\[x = 36 - 20\]

\[x = 16.\]

\[Проверка.\]

\[36 - 16 = 20\]

\[20 = 20.\]

\[65 - x = 40\]

\[x = 65 - 40\]

\[x = 25.\]

\[Проверка.\]

\[65 - 25 = 40\]

\[40 = 40.\]

\[76 - x = 6\]

\[x = 76 - 6\]

\[x = 70.\]

\[Проверка.\]

\[76 - 70 = 6\]

\[6 = 6.\]

\[78 - x = 22\]

\[x = 78 - 22\]

\[x = 56.\]

\[Проверка.\]

\[78 - 56 = 22\]

\[22 = 22.\]

\[94 - x = 51\]

\[x = 94 - 51\]

\[x = 43.\]

\[Проверка.\]

\[94 - 43 = 51\]

\[51 = 51.\]

\[100 - x = 48\]

\[x = 100 - 48\]

\[x = 52.\]

\[Проверка.\]

\[100 - 52 = 48\]

\[48 = 48.\]