3+5.8+11.49*5.8+11.49+17.34-3+5.8+11.49+17.34*5.8+11.49

问题描述:

3+5.8+11.49*5.8+11.49+17.34-3+5.8+11.49+17.34*5.8+11.49

3+5.8+11.49*5.8+11.49+17.34-3+5.8+11.49+17.34*5.8+11.49 =3+5.8-3+5.8+11.49*5.8+11.49+11.49+11.49 +17.34+17.34*5.8=5.8+5.8+11.49*(5.8+1+1+1)+17.34+17.34*5.8=11.49*8.8+5.8*(1+1+17.34)+17.34=11.49*8....