解:(-1有3/4)+13又12/13+75%+3又1/8+(-9.125)
=-7/4+181/13+3/4+25/8-73/8
=-7/4+3/4+181/13+25/8-73/8
=-1+181/13-6
=-7+181/13
=90/13
(-1有3/4)+13又12/13+75%+3又1/8+(-9.125)
=-7/4+181/13+3/4+25/8-73/8
=(-14+6+25-73)/8+181/13
=-7+181/13
=(181-13 x 7)/13
=90/13
6又12/13
90/13