计算2-2²-2³-.-2的99次方+2¹ºº
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/13 10:26:40
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计算2-2²-2³-.-2的99次方+2¹ºº
计算2-2²-2³-.-2的99次方+2¹ºº
计算2-2²-2³-.-2的99次方+2¹ºº
原式=2¹ºº-(2+2²+2³+.+2的99次方)+4
=2¹ºº-(2¹ºº-2)+4
=2+4
=6