解:7/8-(11/16-1/2)等于( 11/16 )
∵已知需求出7/8-(11/16-1/2)等于多少
∴7/8 - (11/16 - 1/2)
= 7/8 - (11/16 - 8/16)
= 7/8 - 3/16
= 14/16 - 3/16
= (14-3)/16
= 11/16
答:7/8-(11/16-1/2)等于11/16
原式=7/8-(11/16-8/16)
=7/8-3/16
=14/16-3/16
=11/16
7/8-(11/16-1/2)
=7/8-3/16
=11/16
望采纳,谢谢
等于11/16