4/5+[7/8-4/5] 7/10-[2/15+1/6] 1-1/3-1/7 5/6+11/14 5/6-[4/9-1/3]谢谢了,
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4/5+[7/8-4/5]7/10-[2/15+1/6]1-1/3-1/75/6+11/145/6-[4/9-1/3]谢谢了,4/5+[7/8-4/5]7/10-[2/15+1/6]1-1/3-1/7
4/5+[7/8-4/5] 7/10-[2/15+1/6] 1-1/3-1/7 5/6+11/14 5/6-[4/9-1/3]谢谢了,
4/5+[7/8-4/5] 7/10-[2/15+1/6] 1-1/3-1/7 5/6+11/14 5/6-[4/9-1/3]谢谢了,
4/5+[7/8-4/5] 7/10-[2/15+1/6] 1-1/3-1/7 5/6+11/14 5/6-[4/9-1/3]谢谢了,
4/5+[7/8-4/5] = 4/5 + 7/8 - 4/5 = 7/8 7/10-[2/15+1/6] = 7/10 - 2/15 + 1/6 = 21/30 - 4/30 + 5/30 = 22/30 =11/15 1-1/3-1/7 = 1 - (1/3 + 1/7) = 1 - 10/21 = 11/21 5/6+11/14 = 35/42 + 33/42 = 68/42 = 34/21 5/6-[4/9-1/3] = 5/6 - 4/9 + 1/3 = 15/18 - 8/18 + 6/18 = 13/18
4,5,6,7,8,9,10
1,2,4,5,7,8,10,( ),( )
4、5、6、7、8、9、10
4 5 6 7 8 9 10
7/8-3/10+7/8+4/5等于多少
算24点 2 2 5 10,3 8 8 10,4 4 10 10 ,4 7 8 10 ,5 5 7 10 ,5 7 7 9.
(5/4x-10）/（x-8)=5/7
5+3-4+5-6-7+8+1-10
9/10-4/11 5/8-4/7
-4,2+5,7—8,4+10=.
4,5,6,7,8 4,5,6,7,8
8-2-1+10-5+4-8+7
8/4+7-5等于?
4,5,6,7,8
选择题4,5,7,8
4、5、7、8题,.
4,5,6,7,8
4 5 6 7 8