计算:-4²+5×(-4)²-(-1)的51次方×(-1/6)+(-2又1/2)÷(-2又1/4)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 17:16:19
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计算:-4²+5×(-4)²-(-1)的51次方×(-1/6)+(-2又1/2)÷(-2又1/4)
计算:-4²+5×(-4)²-(-1)的51次方×(-1/6)+(-2又1/2)÷(-2又1/4)
计算:-4²+5×(-4)²-(-1)的51次方×(-1/6)+(-2又1/2)÷(-2又1/4)
=-16+5*16-(-1)*(-1/6)+(-2.5)/(-2.25)
=1169/18
=64又17/18