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35×2525-36×2424
=35x2525-(35x2424+1×2424)
=35×2525-35×2424-2424
=35×(2525-2424)-2424
=35×100+35-2424
=3500+35-2424
=3535-2424
=1111
=35x2525-(35x2424+1×2424)
=35×2525-35×2424-2424
=35×(2525-2424)-2424
=35×100+35-2424
=3500+35-2424
=3535-2424
=1111
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2016-03-10
展开全部
35/2525-36/2424
=(35×24)/(2525×24)-(36×25)/(2424×25)
=840/(101×25×24)-900/(101×25×24)
=-60/(101×25×24)
=-(5×12)/(101×5×5×12×2)
=-1/(101×5×2)
=-1/(101×10)
=-1/1010
=(35×24)/(2525×24)-(36×25)/(2424×25)
=840/(101×25×24)-900/(101×25×24)
=-60/(101×25×24)
=-(5×12)/(101×5×5×12×2)
=-1/(101×5×2)
=-1/(101×10)
=-1/1010
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