(1)24x(11/12-7/8)
=24*11/12-24*7/8
=22-21
=1
(2)6-(3/7÷3/14+6/13)
=6-(3/7*14/3+6/13)
=6-(2+6/13)
=6-2-6/13
=3又7/13
(3)1-5/8÷25/8-3/10
=1-5/8*8/25-3/10
=1-1/5-3/10
=1-(2/10+3/10)
=1-1/2
=1/2
=24×11/12-24×7/8=22-21=1 =6-(2+6/13)=3又7/13 =1-(1/5+3/10)=1/2
(1)24*11/12-24*7/8=22-21=1
(2)6-2-6/13=4-6/13=46/13
(3)1-1/5-3/10=1-(2/10+3/10)=1-1/2=1/2
(1)24x11/12-24x7/8=2x11+3x7=43