3又3/11-(12/23-1又8/l1)-1又11/23等于多少?
1个回答
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1/4+1/2+3/4=1又1/2
1-3/14-5/14=6/14=3/7
1/3+1/4+5/6=23/12=1又11/12
2又1/3+1又2/7=76/21=3又13/21
(2又11/24+1又7/15)+(3又13/24+2又8/15)=10
11/3-3/4-5/6=25/12=2又1/12
4/3-1/6-2/9=17/18(我改了,采纳楼下吧)
3又3/11-(12/23-1又8/11)-1又11/23=3
应用:
5/4+(5/4+1/3)+4/5
=10/4+1/3+4/5
=150/60+20/60+48/60
=218/60
=109/30
=3又19/30(千克)
4/7+4/7+1/14
=8/7+1/14
=16/14+1/14
=17/14
=1又3/14(米)
1-3/14-5/14=6/14=3/7
1/3+1/4+5/6=23/12=1又11/12
2又1/3+1又2/7=76/21=3又13/21
(2又11/24+1又7/15)+(3又13/24+2又8/15)=10
11/3-3/4-5/6=25/12=2又1/12
4/3-1/6-2/9=17/18(我改了,采纳楼下吧)
3又3/11-(12/23-1又8/11)-1又11/23=3
应用:
5/4+(5/4+1/3)+4/5
=10/4+1/3+4/5
=150/60+20/60+48/60
=218/60
=109/30
=3又19/30(千克)
4/7+4/7+1/14
=8/7+1/14
=16/14+1/14
=17/14
=1又3/14(米)
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