(1998+1/1996)×1/1997用简便方法计算怎么算?
1个回答
2020-06-14
展开全部
(1988+1/1996)×1/1997简便计算?
解:原式=(1997+1+1/1996)×1/1997
=(1997+1997/1996)×1/1997
=1997×1/1997+1997/1996×1/1997
=1+1/1996
=1又1/1996
解:原式=(1997+1+1/1996)×1/1997
=(1997+1997/1996)×1/1997
=1997×1/1997+1997/1996×1/1997
=1+1/1996
=1又1/1996
追答
(1998+1/1996)×1/1997
=(1997+1+1/1996)×1/1997
=1997×1/1997+1997/1996×1/1997
=1+1/1996
=1又1/1996
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