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 ln(112.3/84.58)+0.444×0.2×(1-2×0.6)+0.8×(1.05-0.29) 的值.
题型:数学计算
解:
ln(112.3/84.58)+0.444×0.2×(1-2×0.6)+0.8×(1.05-0.29)
=ln1.327737+0.444×0.2×(1-2×0.6)+0.8×(1.05-0.29)
=ln1.327737+0.444×0.2×(-0.2)+0.8×(1.05-0.29)
=ln1.327737+0.444×0.2×(-0.2)+0.8×0.76
=0.283476+0.444×0.2×-0.2+0.8×0.76
=0.283476+0.0888×(-0.2)+0.8×0.76
=0.283476+(-0.01776)+0.8×0.76
=0.283476+-0.01776+0.608
=0.265716+0.608
=0.873716 答案:ln(112.3/84.58)+0.444×0.2×(1-2×0.6)+0.8×(1.05-0.29)=0.873716你的问题在这里没有得到解决?请到 热门难题 里面看看吧!