总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 0.09*0.2^2+0.04*0.5^2+0.625*0.3^2+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036) 的值.
题型:数学计算
解:
0.09*0.2^2+0.04*0.5^2+0.625*0.3^2+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.09*0.2^2+0.04*0.5^2+0.625*0.3^2+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.09*0.04+0.04*0.5^2+0.625*0.3^2+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.09*0.04+0.04*0.25+0.625*0.3^2+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.09*0.04+0.04*0.25+0.625*0.09+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.04*0.25+0.625*0.09+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.625*0.09+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.05625+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.05625+0.4*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.05625+0.2*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.05625+0.025+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.05625+0.025+0.4*0.3*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.05625+0.025+0.12*0.144+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.05625+0.025+0.01728+2*0.5*0.3*(-0.036)
=0.0036+0.01+0.05625+0.025+0.01728+1*0.3*(-0.036)
=0.0036+0.01+0.05625+0.025+0.01728+0.3*(-0.036)
=0.0036+0.01+0.05625+0.025+0.01728+(-0.0108)
=0.0136+0.05625+0.025+0.01728+(-0.0108)
=0.06985+0.025+0.01728+(-0.0108)
=0.09485+0.01728+(-0.0108)
=0.11213+(-0.0108)
=0.10133 答案:0.09*0.2^2+0.04*0.5^2+0.625*0.3^2+2*0.2*0.5*0.125+2*0.2*0.3*0.144+2*0.5*0.3*(-0.036)=0.10133你的问题在这里没有得到解决?请到 热门难题 里面看看吧!