Question

有理数（-29/8)+(+49/12)+[(-5/6)+(21/8)+(1+23/12)]

Answer 1

（-29/8)+(+49/12)+[(-5/6)+(21/8)+(1+23/12)]

=（-29/8+21/8)+(+49/12+23/12)+[(-5/6)+1]

=-1+6+1/6=31/6