(-4/9)+(+4/5)-(+5/6)-(+9/10)-(1又5/18) (+11)+(-1/2)+(+7)+(-1/6)+(+2)+(-1/3)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 16:22:52
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(-4/9)+(+4/5)-(+5/6)-(+9/10)-(1又5/18) (+11)+(-1/2)+(+7)+(-1/6)+(+2)+(-1/3)
(-4/9)+(+4/5)-(+5/6)-(+9/10)-(1又5/18)
(+11)+(-1/2)+(+7)+(-1/6)+(+2)+(-1/3)
(-4/9)+(+4/5)-(+5/6)-(+9/10)-(1又5/18) (+11)+(-1/2)+(+7)+(-1/6)+(+2)+(-1/3)
(-4/9)+(+4/5)-(+5/6)-(+9/10)-(1又5/18)
=-4/9+4/5-5/6-9/10-23/18
=(8/10-9/10)-(8/18+15/18+23/18)
=-1/10-23/9
=-2又59/90
3 5 6 4 9
9+6+4+5+2
2/6+5/9+4/5
5+6+8+9+9+5+2+9+7+4
1+6+9+5+85+56+6+59+5-7-4-6+9-8+5-9+5+1-4+9
10+9-6.5+5-6+4-5-8+9
5/(2*3*4)+7/(3*4*5)+9/(4*5*6)+...+19/(9*10*11)
15/2×5/9+4/7+11/5×6/5
2 3 4 5 6 8 9
(8/9-5/6-1/4)*(-36)
8+9+3+4+5+6等于
算24点:4、9、5、6
4 5 6 7 8 9
7,8,6,9,5,,4
3'4'5'6'7'8'9
4,5,6,7,8,9,
4x+9=5x-6,
4x+9=5x-6