33,( ),4,14/3,5,16/3A.12/3B.11/3C.10/3D.9/3
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33,( ),4,14/3,5,16/3A.12/3B.11/3C.10/3D.9/3
33,( ),4,14/3,5,16/3
A.12/3
B.11/3
C.10/3
D.9/3
33,( ),4,14/3,5,16/3A.12/3B.11/3C.10/3D.9/3
B.11/3
11/3 12/3,14/3,15/3,16/3
33,( ),4,14/3,5,16/3A.12/3B.11/3C.10/3D.9/3
33又2/7+5又4/5+4又1/3-16又4/5-14又1/7-10又1/3简算
1 3 4 5 7 8 9 11 14 16 19 22 25 28 33 37 44求规律
1+2+3+4+5+6+7+8+9+11+22-33+33+44+55+66+77+88+99+12+13+14+15+16+17+18+19
5×16-4y÷3-6y=33
5(16-4y/3)-6y=33
谁帮我算下均数±标准差第一组:年龄:21,22,27,28,16,16,15,16,16,15,16,17,17,12,10,16,4,15,19,16,61,4,14,14,9,5,2,9,4,55,14,38,11,3,3,10,32,22,22,33,23,27,21,15,5,38,37,6,22,31,35,52,25,14,20,17,14,14,16,52,5,35,16,15,32,28,15第二组
帮我算下均值±标准差第一组:年龄:21,22,27,28,16,16,15,16,16,15,16,17,17,12,10,16,4,15,19,16,61,4,14,14,9,5,2,9,4,55,14,38,11,3,3,10,32,22,22,33,23,27,21,15,5,38,37,6,22,31,35,52,25,14,20,17,14,14,16,52,5,35,16,15,32,28,15,平均年
(1).1,0,-1,(),-33(2).87,67,45,23,((3).3,-2,0,-3,-4,((4).0,-2,1,-3,4,10,((5).4,6,8,9,(),12,14,15,16
5/14+3/16=
33又7分之2+5又5分之4=4又3分之1-16又5分之4-14又7分之1-10又3分之1
数列16、16、17、24、42、() 0、2、3、0、8、() 3/2、-3、-2、9/2、33/2、() 2、5、0、-1、14、41、
1,1,2,4,3,9,4,16,( )25,6,( ),.15,16,13,19,11,22,( ),25,7,( ),.填入适当的数2 6 7 11 2 3 14 4 ()1 3 5 23 5 5 6 4()3填入适当的数3,5,7,11,15,19,23,.6,12,33,27,21,10,15,30,.2,5,10,16,22,28,32,38,24,...2,3,5,8,12,16,23,3
4分之3乘8 7分之3乘14 16分之5乘16
简便运算:3/2+5/4+9/8+17/16+33/32+65/64=?
3/2+5/4+9/8+17/16+33/32+65/64+129/128=?
-3/4,5/7,-10/9,17/13,-33/16找规律,第2012个数是什么
求方程组{3x+4y=16,5x-6y=33的解