
97*95/96+47*47/48怎么简便运算
2个回答
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97*95/96+47*47/48
=96×95/96+1×95/96+48×47/48-1×47/48
=95+95/96+47-47/48
=142+(95/96-94/96)
=142+1/96
=142又1/96
=96×95/96+1×95/96+48×47/48-1×47/48
=95+95/96+47-47/48
=142+(95/96-94/96)
=142+1/96
=142又1/96
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