11,5×0,4×0,18×3,1÷0,9×2,3×6,2
1)11,05*0,4=4,42 2)4,42*0,18=0,7956 3)0,7956*3,1=2,46636 4)2,46636:0,9=2,7404 5)2,7404*2,3=6,30292 6)6,30292*6,2=39,078104