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☆算术计算1题
〖1/1算式〗
作业:求算式 1-3.14*0.86^2*(2+0.84^2)*(3*4.5-2*0.86*sqrt(1-0.84^2))/(12*4.5^3) 的值.
题型:数学计算
解:
1-3.14*0.86^2*(2+0.84^2)*(3*4.5-2*0.86*sqrt(1-0.84^2))/(12*4.5^3)
=1-3.14*0.86^2*2.7056*(3*4.5-2*0.86*sqrt(1-0.84^2))/(12*4.5^3)
=1-3.14*0.86^2*2.7056*(3*4.5-2*0.86*sqrt0.2944)/(12*4.5^3)
=1-3.14*0.86^2*2.7056*12.566752/(12*4.5^3)
=1-3.14*0.86^2*2.7056*12.566752/1093.5
=1-3.14*0.7396*2.7056*12.566752/1093.5
=1-2.322344*2.7056*12.566752/1093.5
=1-6.283334*12.566752/1093.5
=1-78.9611/1093.5
=1-0.07221
=0.92779 答案:1-3.14*0.86^2*(2+0.84^2)*(3*4.5-2*0.86*sqrt(1-0.84^2))/(12*4.5^3)=0.92779你的问题在这里没有得到解决?请到 热门难题 里面看看吧!