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7433+275-(2376十567)简便方法?
题目详情
7433+275-(2376十567)简便方法?
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答案和解析
7433+275-(2376十567)
=7425+275+8-(2333+567+43)
=7708-2943
=7708-3000+57
=4708+57
=4765
=7425+275+8-(2333+567+43)
=7708-2943
=7708-3000+57
=4708+57
=4765
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