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①205×18-6513÷13
②60÷ +60÷
③ -( + )+
④ ×11+ ×20
⑤ + ÷ +
⑥[ -( + )]×
3.6+6.4= - = 0.62=
0.57÷10×100= 18× = ÷ =
32×12.5%= + × =
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