Вычисли. 3 + 5 = ?, 9 + (9 - 7) = ?, 4 + (9 + 0) = ?, (9 - 3) = ?

Решение:

\( 3 + 5 = 8 \)

\( 9 + (9 - 7) = 9 + 2 = 11 \)

\( 4 + (9 + 0) = 4 + 9 = 13 \)

\( 9 - 3 = 6 \)