100. 42-17-42 16+65-65 (39+16)+(8+22) (12+46)+(7+13)

Решение:

• \( 42 - 17 - 42 = (42-42) - 17 = 0 - 17 = -17 \)
• \( 16 + 65 - 65 = 16 + (65-65) = 16 + 0 = 16 \)
• \( (39+16)+(8+22) = 55 + 30 = 85 \)
• \( (12+46)+(7+13) = 58 + 20 = 78 \)

Ответ: -17, 16, 85, 78.