(-3)º＋（-0.2）²º¹º×（-5）²º¹¹＋（-½）-¹ =

(-3)º＋（-0.2）²º¹º×（-5）²º¹¹＋（-½）-¹ =
(-3)º＋（-0.2）²º¹º×（-5）²º¹¹＋（-½）-¹ =

(-3)º＋（-0.2）²º¹º×（-5）²º¹¹＋（-½）-¹ =
(-3)º＋（-0.2）²º¹º×（-5）²º¹¹＋（-½）-¹
=1＋【（-0.2）×（-5)】²º¹º×（-5）-2
=1-5-2
=-6

答案为-6
(-3)º=1；（-0.2）²º¹º×（-5）²º¹¹=（-0.2×（-5））²º¹º再乘以（-5）=-5；（-½）-¹=-2；
所以和等于-6

= 1 + (-1) *5+ (-2)
= - 6

(-3)º＋（-0.2）²º¹º×（-5）²º¹¹＋（-½）-¹
=1-5+（-2）
=-6