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〖1/1算式〗
作业:求算式 (2.7850^2-0.334^2)^(0.5)+(2.7881^2-(0.314-0.272)^2)^(0.5) 的值.
题型:数学计算
解:
(2.7850^2-0.334^2)^(0.5)+(2.7881^2-(0.314-0.272)^2)^(0.5)
=7.644669^(0.5)+(2.7881^2-(0.314-0.272)^2)^(0.5)
=7.644669^0.5+(2.7881^2-(0.314-0.272)^2)^(0.5)
=7.644669^0.5+(2.7881^2-0.042^2)^(0.5)
=7.644669^0.5+7.771738^(0.5)
=7.644669^0.5+7.771738^0.5
=2.764899455676463+7.771738^0.5
=2.764899455676463+2.787783707535432
=5.552683 答案:(2.7850^2-0.334^2)^(0.5)+(2.7881^2-(0.314-0.272)^2)^(0.5)=5.552683你的问题在这里没有得到解决?请到 热门难题 里面看看吧!