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简介:
8.98+14.81-8.81=14.98 4.01+20.35-10.35=14.01
16.84+2.16-2.84=16.16 7.89+14.61-6.61=15.89
3.58+13.04-10.04=6.58 9.49+16.21-2.21=23.49
5.52+19.25-9.25=15.52 16.03+10.59-3.03=23.59
2.78+8.18-2.18=8.78 20.92+3.83-7.92=16.83
12.28+9.36-11.28=10.36 8.27+15.27-5.27=18.27
6.99+12.78-10.78=8.99 20.63+5.52-19.63=6.52