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1又1/3-1/7-11/105-5/24+33/56+4/45=?(45.85—28又1/5+26又1/4)*99.7-3/4*52又23/27-3/5除以27/77=?
急.两题
人气:351 ℃ 时间:2019-10-23 04:38:33
解答
=9/8+25/56+4/45-11/105
=11/7-11/105+4/45
=22/15+4/45
=14/9;
=(45.85-28.2+26.25)*99.7-36-(23/36+77/45)
=43.9*99.7-36-2.35
=4376.83-36-2.35
=4338.48
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