8.38+1.62 64.5-18.5 4.36-1.74 3.7

问题描述:

8.38+1.62 64.5-18.5 4.36-1.74 3.7
8.38+1.62 64.5-18.5 4.36-1.74 3.7-2.8+0.3 6.4+1.06

10 46 2.26 1.2 7.46