求几个简便运算的答案,
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求几个简便运算的答案,
(1)567÷567又567/568 (2)10101/131313×91
(3)2006÷2007/2008 (4)231÷231又231/232
(要算式和过程)
(1)567÷567又567/568 (2)10101/131313×91
(3)2006÷2007/2008 (4)231÷231又231/232
(要算式和过程)
![求几个简便运算的答案,](/uploads/image/z/17874514-10-4.jpg?t=%E6%B1%82%E5%87%A0%E4%B8%AA%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E7%9A%84%E7%AD%94%E6%A1%88%2C)
(1)567÷567又567/568
=567×568/(567×567)
=568/567
(2)10101/131313×91
=(10101×91)/131313
=919191/131313
=7
(3)2006÷2007/2008
=2006×2008/2007
= (2007-1)×2008/2007
= 2008-2008/2007
=2007-1/2007
=2006又2006/2007
(4)231÷231又231/232
=231×232/(231×231)
=232/231
=567×568/(567×567)
=568/567
(2)10101/131313×91
=(10101×91)/131313
=919191/131313
=7
(3)2006÷2007/2008
=2006×2008/2007
= (2007-1)×2008/2007
= 2008-2008/2007
=2007-1/2007
=2006又2006/2007
(4)231÷231又231/232
=231×232/(231×231)
=232/231