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〖1/1算式〗
作业:求算式 4*10^(-5)*68.872^3-0.0077*68.872^2+0.5191*68.872-11.176 的值.
题型:数学计算
解:
4*10^(-5)*68.872^3-0.0077*68.872^2+0.5191*68.872-11.176
=4*10^(-5)*68.872^3-0.0077*68.872^2+0.5191*68.872-11.176
=4*0.00001*68.872^3-0.0077*68.872^2+0.5191*68.872-11.176
=4*0.00001*326684.165390848007519-0.0077*68.872^2+0.5191*68.872-11.176
=4*0.00001*326684.165390848007519-0.0077*4743.352383999999802+0.5191*68.872-11.176
=0.00004*326684.165390848007519-0.0077*4743.352383999999802+0.5191*68.872-11.176
=13.067367-0.0077*4743.352383999999802+0.5191*68.872-11.176
=13.067367-36.523813+0.5191*68.872-11.176
=13.067367-36.523813+35.751455-11.176
=-23.456446+35.751455-11.176
=12.295009-11.176
=1.119009 答案:4*10^(-5)*68.872^3-0.0077*68.872^2+0.5191*68.872-11.176=1.119009你的问题在这里没有得到解决?请到 热门难题 里面看看吧!