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〖1/1算式〗
作业:求算式 1.2^2.5*((0.7/5)^(1/1.4))*(6*(1-(0.7/5)^(0.4/1.4)))^0.5 的值.
题型:数学计算
解:
1.2^2.5*((0.7/5)^(1/1.4))*(6*(1-(0.7/5)^(0.4/1.4)))^0.5
=1.2^2.5*(0.14^(1/1.4))*(6*(1-(0.7/5)^(0.4/1.4)))^0.5
=1.2^2.5*(0.14^0.714286)*(6*(1-(0.7/5)^(0.4/1.4)))^0.5
=1.2^2.5*0.245522450533485*(6*(1-(0.7/5)^(0.4/1.4)))^0.5
=1.2^2.5*0.245522450533485*(6*(1-0.14^(0.4/1.4)))^0.5
=1.2^2.5*0.245522450533485*(6*(1-0.14^0.285714))^0.5
=1.2^2.5*0.245522450533485*(6*0.429787)^0.5
=1.2^2.5*0.245522450533485*2.578722^0.5
=1.577440965614878*0.245522450533485*2.578722^0.5
=1.577440965614878*0.245522450533485*1.605839967120012
=0.387297*1.605839967120012
=0.621937 答案:1.2^2.5*((0.7/5)^(1/1.4))*(6*(1-(0.7/5)^(0.4/1.4)))^0.5=0.621937你的问题在这里没有得到解决?请到 热门难题 里面看看吧!