Question

十五又十四分之三除以四点二五减五又四分之三的简便计算

Answer 1

十五又十四分之三除以四点二五减五又四分之三
=(15 +3/14) /(4+1/4) -五又四分之三
=213/14 *4/17 -(5+3/4)
=426/119 -(5+3/4)
=3+69/119 -5 -3/4
=-2-(357-276)/476
=-2又81/476