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☆算术计算1题
〖1/1算式〗
作业:求算式 (2.7850^2-0.314^2)^(0.5)+(2.7881^2-(0.314-0.272)^2)^(0.5) 的值.
题型:数学计算
解:
(2.7850^2-0.314^2)^(0.5)+(2.7881^2-(0.314-0.272)^2)^(0.5)
=7.657629^(0.5)+(2.7881^2-(0.314-0.272)^2)^(0.5)
=7.657629^0.5+(2.7881^2-(0.314-0.272)^2)^(0.5)
=7.657629^0.5+(2.7881^2-0.042^2)^(0.5)
=7.657629^0.5+7.771738^(0.5)
=7.657629^0.5+7.771738^0.5
=2.767242128907407+7.771738^0.5
=2.767242128907407+2.787783707535432
=5.555026 答案:(2.7850^2-0.314^2)^(0.5)+(2.7881^2-(0.314-0.272)^2)^(0.5)=5.555026你的问题在这里没有得到解决?请到 热门难题 里面看看吧!