修改时间:2024-07-13 浏览次数:123 类型:期末考试 编辑
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× = ×2= - = + = ÷3=
20× = 2.5×0.1= 7.5÷0.5= 15÷ = ÷ =
①3.7× +6.3÷
②( - )×( + )
③101×
④ ÷[ ×(-)]
⑤7÷ - ÷7
⑥ ÷[( + )÷ ]
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