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简介:
8.22+3.76-1.22=10.76 2.05+18.59-0.59=20.05
9.15+19.18-10.18=18.15 15.61+2.33-1.61=16.33
20.03+1.72-4.03=17.72 3.67+19.53-5.53=17.67
15.98+7.51-4.98=18.51 6.66+20.22-11.22=15.66
10.32+11.53-7.53=14.32 1.12+10.03-1.03=10.12
6.48+19.53-13.53=12.48 0.02+20.1-0.1=20.02