3. 36+27 = ? 70-53 = ? 45+18 = ? 92-65 = ? 4. 48:8 = ? (14-7)-4 = ?

Решение:

1. \( 36 + 27 = 63 \)
   \( 70 - 53 = 17 \)
   \( 45 + 18 = 63 \)
   \( 92 - 65 = 27 \)
2. \( 48 : 8 = 6 \)
   \( (14 - 7) - 4 = 7 - 4 = 3 \)

Ответ: 1. 63; 17; 63; 27. 2. 6; 3.