3.14/2又15/16*5.875-(21又5/37-19.18)

问题描述:

3.14/2又15/16*5.875-(21又5/37-19.18)

原式=3.14/(47/16)*(47/8)-782/37+19.18
=3.14*(16/47)*(47/8)-782/37+19.18
=1.57+19.18-782/37
=20.75-782/37
=-14.25/37