24/11-(2/3+1/4)等于几?
2个回答
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24/11-2/3-1/4
=2+2/11-0.25-2/3
=1.75+6/33-22/33
=1.75-16/33
=1.75-0.5+0.5/33
=1.25+1/66
=1+1/4+1/66
=1+33/132+2/132
=1又35/132
=2+2/11-0.25-2/3
=1.75+6/33-22/33
=1.75-16/33
=1.75-0.5+0.5/33
=1.25+1/66
=1+1/4+1/66
=1+33/132+2/132
=1又35/132
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