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①4.8+5.96
②8-3.28
③6.38+5.55
④6.53+8.3
⑤7.5-0.89
⑥1.35-0.76
①4.26+3.56+5.7
②15.8-3.9-6.3
③6.1-5.78+3.59
④8.5+6.52-7.06
⑤15.38-5.38-4.2
⑥1.45+2.4+3.27
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