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☆算术计算1题
〖1/1算式〗
作业:求算式 0.6164^2*0.07^2+0.1^2*0.3836^2+2*0.1*0.07*0.6164*0.3836*(-0.5) 的值.
题型:数学计算
解:
0.6164^2*0.07^2+0.1^2*0.3836^2+2*0.1*0.07*0.6164*0.3836*(-0.5)
=0.6164^2*0.07^2+0.1^2*0.3836^2+2*0.1*0.07*0.6164*0.3836*(-0.5)
=0.37994896*0.07^2+0.1^2*0.3836^2+2*0.1*0.07*0.6164*0.3836*(-0.5)
=0.37994896*0.0049+0.1^2*0.3836^2+2*0.1*0.07*0.6164*0.3836*(-0.5)
=0.37994896*0.0049+0.01*0.3836^2+2*0.1*0.07*0.6164*0.3836*(-0.5)
=0.37994896*0.0049+0.01*0.14714896+2*0.1*0.07*0.6164*0.3836*(-0.5)
=0.001862+0.01*0.14714896+2*0.1*0.07*0.6164*0.3836*(-0.5)
=0.001862+0.001471+2*0.1*0.07*0.6164*0.3836*(-0.5)
=0.001862+0.001471+0.2*0.07*0.6164*0.3836*(-0.5)
=0.001862+0.001471+0.014*0.6164*0.3836*(-0.5)
=0.001862+0.001471+0.00863*0.3836*(-0.5)
=0.001862+0.001471+0.00331*(-0.5)
=0.001862+0.001471+(-0.001655)
=0.003333+(-0.001655)
=0.001678 答案:0.6164^2*0.07^2+0.1^2*0.3836^2+2*0.1*0.07*0.6164*0.3836*(-0.5)=0.001678你的问题在这里没有得到解决?请到 热门难题 里面看看吧!