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(1) (2) (3) (4) (5)
1)2)3)4)5)
1) 2) 3) 4) 5)
()2()()()()()8()()()8()5()1()()()1 5 8()4 6 2()2()()1 8 3()()5()()()()4()()()()8()()6 2 5 ()()()15 9 2 4 1 6 7 3 8(
-1-(-2)-(+3)+(-4)-(-5)
9()2()7()8()()()()4()()9()6()1 3()5()()()()24()()8 5()()1()()8 9 4()1 6 7()()1()()3 6()()88()()()()2()3 6()5
0-(+2/1)-(+5/2)-(-4/3)-(+4/1)-(-5/3)
计算 (-1)+(+2)+(-3)+(+4)+(-5)+.+(-2009)+(+2010)
(-1)+(+2)+(-3)+(+4)+(-5)+...+(-2011)+(+2012)
9宫格填1到9个数字帮帮忙(5)()()()(7)()(3)()()()(9)()(5)()()(4)()()()()(4)()()()(7)()()()(5)(1)()(3)(7)(2)
请帮我做一下这道数独.5()()2()() 7 4()1()()()7 3 6 ()()2()9()4()3()()()5()4 3()()7 8 3()()()()9()()64 1()()2()()9()()
(-1)*(-2)*(-3)+(-2)*(-3)*(-4)+(-3)*(-4)*(-5)+~+(-100)*(-101)*(-102)
一共有81格()()5 8()()()()()()()()()7()2()9()()()()9()()()()3 ()()4()1()2()()()()()8()3 7()()1 2 7()()(
(1-2)(1-3)(3-4)(4-5)...(19-20)=
用下列各数组成比例 1,2,3,4,5,6,9,15( ):( )( ):( )( ):( )( ):( )( ):( )( ):( )( ):( )
()3( ) × ( )6 ------------- 1 ( )( ) 6( ) ( ) 5------------- 8 ( )( ) ( )()3( ) × ( )4 ------------- 2 ( )2 8( )1 ( ) 0------------- 3 ( ) 1 ( ) 8
解九宫格火速求/518()2()()4() ()()3()8752()2()4()6189() 1()()9()3()62 43()6()2()8796()8()4()()5()4179()2()8()2913()6()()()5
1+(-2)+(+3)+(-4)+(+5)+...+(-2008)+(+2009)