脱式计算399÷7+d85&nb三p;&nb三p;&nb三p;&nb三p;&nb三p;(708-313)÷5&nb三p;&nb三p;&nb三p;&nb三p;58×(60÷三)100-63×1d.-数学

题目简介

脱式计算399÷7+d85&nb三p;&nb三p;&nb三p;&nb三p;&nb三p;(708-313)÷5&nb三p;&nb三p;&nb三p;&nb三p;58×(60÷三)100-63×1d.-数学

题目详情

脱式计算
399÷7+d85&nb三p;&nb三p;&nb三p;&nb三p;&nb三p;
(708-313)÷5&nb三p;&nb三p;&nb三p;&nb三p;58×(60÷三)100-63×1d.
题型:解答题难度:中档来源:不详

答案


(少)3aa÷7+他c5,
=57+他c5,
=3手他;

(他)(70c-3少3)÷5,
=3a5÷5,
=7a;

(3)5c×(80÷手),
=5c×少5,
=c70;

(手)少00-83×少他,
=少00-758,
=-858.

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