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〖1/1算式〗
作业:求算式 -2540.8*0.067^5+2940.8*0.067^4-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917 的值.
题型:数学计算
解:
-2540.8*0.067^5+2940.8*0.067^4-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917
=-2540.8*0.000001350125107+2940.8*0.067^4-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917
=-2540.8*0.000001350125107+2940.8*0.000020151121-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917
=-2540.8*0.000001350125107+2940.8*0.000020151121-1331.2*0.000300763+299.21*0.067^2-35.312*0.067+3.2917
=-2540.8*0.000001350125107+2940.8*0.000020151121-1331.2*0.000300763+299.21*0.004489-35.312*0.067+3.2917
=-0.00343+2940.8*0.000020151121-1331.2*0.000300763+299.21*0.004489-35.312*0.067+3.2917
=-0.00343+0.05926-1331.2*0.000300763+299.21*0.004489-35.312*0.067+3.2917
=-0.00343+0.05926-0.400376+299.21*0.004489-35.312*0.067+3.2917
=-0.00343+0.05926-0.400376+1.343154-35.312*0.067+3.2917
=-0.00343+0.05926-0.400376+1.343154-2.365904+3.2917
=0.05583-0.400376+1.343154-2.365904+3.2917
=-0.344546+1.343154-2.365904+3.2917
=0.998608-2.365904+3.2917
=-1.367296+3.2917
=1.924404 答案:-2540.8*0.067^5+2940.8*0.067^4-1331.2*0.067^3+299.21*0.067^2-35.312*0.067+3.2917=1.924404你的问题在这里没有得到解决?请到 热门难题 里面看看吧!