(-3)º+(-0.2)²º¹º×(-5)²º¹¹+(-½)-¹ =
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![(-3)º+(-0.2)²º¹º×(-5)²º¹¹+(-½)-¹ =](/uploads/image/z/643785-33-5.jpg?t=%28-3%29%26%23186%3B%EF%BC%8B%EF%BC%88-0.2%EF%BC%89%26%23178%3B%26%23186%3B%26%23185%3B%26%23186%3B%C3%97%EF%BC%88-5%EF%BC%89%26%23178%3B%26%23186%3B%26%23185%3B%26%23185%3B%EF%BC%8B%EF%BC%88-%26%23189%3B%EF%BC%89-%26%23185%3B+%3D)
(-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