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☆算术计算1题
〖1/1算式〗
作业:求算式 0.04*0.898^2+0.625*(1-0.898)^2+2*0.898*(1-0.898)*(-0.036) 的值.
题型:数学计算
解:
0.04*0.898^2+0.625*(1-0.898)^2+2*0.898*(1-0.898)*(-0.036)
=0.04*0.898^2+0.625*0.102^2+2*0.898*(1-0.898)*(-0.036)
=0.04*0.898^2+0.625*0.102^2+2*0.898*0.102*(-0.036)
=0.04*0.898^2+0.625*0.102^2+2*0.898*0.102*(-0.036)
=0.04*0.806404+0.625*0.102^2+2*0.898*0.102*(-0.036)
=0.04*0.806404+0.625*0.010404+2*0.898*0.102*(-0.036)
=0.032256+0.625*0.010404+2*0.898*0.102*(-0.036)
=0.032256+0.006502+2*0.898*0.102*(-0.036)
=0.032256+0.006502+1.796*0.102*(-0.036)
=0.032256+0.006502+0.183192*(-0.036)
=0.032256+0.006502+(-0.006595)
=0.038758+(-0.006595)
=0.032163 答案:0.04*0.898^2+0.625*(1-0.898)^2+2*0.898*(1-0.898)*(-0.036)=0.032163你的问题在这里没有得到解决?请到 热门难题 里面看看吧!