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〖1/1算式〗
作业:求算式 (((10%))^2-7%*10%*(-0.5))/(((7%))^2+((10%))^2-2*7%*10%*(-0.5)) 的值.
题型:数学计算
解:
(((10%))^2-7%*10%*(-0.5))/(((7%))^2+((10%))^2-2*7%*10%*(-0.5))
=((0.1)^2-7%*10%*(-0.5))/(((7%))^2+((10%))^2-2*7%*10%*(-0.5))
=(0.1^2-7%*10%*(-0.5))/(((7%))^2+((10%))^2-2*7%*10%*(-0.5))
=(0.1^2-7%*10%*(-0.5))/(((7%))^2+((10%))^2-2*7%*10%*(-0.5))
=0.0135/(((7%))^2+((10%))^2-2*7%*10%*(-0.5))
=0.0135/((0.07)^2+((10%))^2-2*7%*10%*(-0.5))
=0.0135/(0.07^2+((10%))^2-2*7%*10%*(-0.5))
=0.0135/(0.07^2+(0.1)^2-2*7%*10%*(-0.5))
=0.0135/(0.07^2+0.1^2-2*7%*10%*(-0.5))
=0.0135/(0.07^2+0.1^2-2*7%*10%*(-0.5))
=0.0135/0.0219
=0.616438 答案:(((10%))^2-7%*10%*(-0.5))/(((7%))^2+((10%))^2-2*7%*10%*(-0.5))=0.616438你的问题在这里没有得到解决?请到 热门难题 里面看看吧!