3.4×11⼀8+0.314×25⼀4-31.4×0.2=? 有过程,谢谢!

2024-11-25 07:43:17
推荐回答(1个)
回答1:

=(3.14-3.1)*(10+1)/8+0,134*2x25/8-31.4*40/8=1111.94/8=138,9925