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 (17×(2.1-1)+18.5×3+18.6×2.5+19.1×(10.5-2.1-3-2.5))/(10.5-1) 的值.
题型:数学计算
解:
(17×(2.1-1)+18.5×3+18.6×2.5+19.1×(10.5-2.1-3-2.5))/(10.5-1)
=(17×1.1+18.5×3+18.6×2.5+19.1×(10.5-2.1-3-2.5))/(10.5-1)
=(17×1.1+18.5×3+18.6×2.5+19.1×2.9)/(10.5-1)
=176.09/(10.5-1)
=176.09/9.5
=18.535789 答案:(17×(2.1-1)+18.5×3+18.6×2.5+19.1×(10.5-2.1-3-2.5))/(10.5-1)=18.535789你的问题在这里没有得到解决?请到 热门难题 里面看看吧!