42.(58 - 11) - 58.(11 + 42)
= 42.58 - 42.11 - 58.11 - 58.42
= 42.58 - 58.42 - 42.11 - 58.11
= -11.(42 + 58)
= -11. 100
= -1100
mk ghi kết quả thui nhé = -1100
42.(58-11)-58.(11+42)
=42*58-42.11-58.11-85.12
=42*58-58.42-42.11-58.11
=-11.(42+58)
=-11*100
=-1100