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☆算术计算1题
〖1/1算式〗
作业:求算式 0.0225*0.6471^2+0.04*(1-0.6471)^2+0.06*0.6471*(1-0.6471)*0.5 的值.
题型:数学计算
解:
0.0225*0.6471^2+0.04*(1-0.6471)^2+0.06*0.6471*(1-0.6471)*0.5
=0.0225*0.6471^2+0.04*0.3529^2+0.06*0.6471*(1-0.6471)*0.5
=0.0225*0.6471^2+0.04*0.3529^2+0.06*0.6471*0.3529*0.5
=0.0225*0.41873841+0.04*0.3529^2+0.06*0.6471*0.3529*0.5
=0.0225*0.41873841+0.04*0.12453841+0.06*0.6471*0.3529*0.5
=0.009422+0.04*0.12453841+0.06*0.6471*0.3529*0.5
=0.009422+0.004982+0.06*0.6471*0.3529*0.5
=0.009422+0.004982+0.038826*0.3529*0.5
=0.009422+0.004982+0.013702*0.5
=0.009422+0.004982+0.006851
=0.014404+0.006851
=0.021255 答案:0.0225*0.6471^2+0.04*(1-0.6471)^2+0.06*0.6471*(1-0.6471)*0.5=0.021255你的问题在这里没有得到解决?请到 热门难题 里面看看吧!