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(-2)^2010(1/2)^2012= -4^26*0.25^29=

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/21 17:18:56
(-2)^2010(1/2)^2012= -4^26*0.25^29=
(-2)^2010(1/2)^2012
=(-2×1/2)^2010×(1/2)²
=1×1/4
=1/4
(-4)^26*0.25^29 还是-4^26*0.25^29
(-4)^26*0.25^29
=(-4×0.25)^26×0.25³
=1×1/64
=1/64
-4^26*0.25^29
= -(4×0.25)^26×0.25³
= -1×1/64
= -1/64