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简介:
1.0.47+0.23= 2.0.25+0.75=
3.3.7+0.33= 4.0.51+0.33=
5.1-0.6= 6.8-4.6=
7.5.8-3.6= 8.0.52+0.4=
9.6.45+5.5= 10.4.5-1.3=
11.3.4-2.8= 12.9.53-1.53=
13.8.8-6.7= 14.10+0.08=
15.9.5-7.3= 16.7.2+0.8=
17.7.82+0.3= 18.8.8-6.7=
19.9.5-7.3= 20.1-0.95=