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〖1/1算式〗
作业:求算式 (2.7850^2-0.3142^2)^(0.5)+(2.7881^2-(0.3142-0.272)^2)^(0.5) 的值.
题型:数学计算
解:
(2.7850^2-0.3142^2)^(0.5)+(2.7881^2-(0.3142-0.272)^2)^(0.5)
=7.657503^(0.5)+(2.7881^2-(0.3142-0.272)^2)^(0.5)
=7.657503^0.5+(2.7881^2-(0.3142-0.272)^2)^(0.5)
=7.657503^0.5+(2.7881^2-0.0422^2)^(0.5)
=7.657503^0.5+7.771721^(0.5)
=7.657503^0.5+7.771721^0.5
=2.767219362464783+7.771721^0.5
=2.767219362464783+2.787780658516735
=5.555 答案:(2.7850^2-0.3142^2)^(0.5)+(2.7881^2-(0.3142-0.272)^2)^(0.5)=5.555你的问题在这里没有得到解决?请到 热门难题 里面看看吧!