(-3)-(+5)+(-7)-(-5)+2又三分之一

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(-3)-(+5)+(-7)-(-5)+2又三分之一

(-3)-(+5)+(-7)-(-5)+2又三分之一
(-3)-(+5)+(-7)-(-5)+2又三分之一

(-3)-(+5)+(-7)-(-5)+2又三分之一
=-3-5-7+5+2又三分之一
=-7有三分之二

(-3)-(+5)+(-7)-(-5)+2又三分之一
=-3-5-7+5+2又1/3
=-7又2/3

5 7 ( )( )( )( )( ) (-7)*(-4/3)*5/14 1、().()5* 2()--------------()3()()1()--------------2.()()52、()()()* 8.9---------------()()()()()()()---------------()()()()3、 ().7()()() 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) 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 (3).(4).(5),(6).(7).(8).(10). 帮我数独~~数独天才快来()5()()()()7()()()()4()()()()()88()3()5 1 ()()()()3() ()()7()()5()()()5 9 2()()()6()( 7/5-(7/5-5/3) 能简算简算 RT只要(3) (5) (7), 5+(-6)+3+8+(-4)+(-7) 九宫格数字题( )( )( )( )(9)( )( )( )( )(1)(6)( )(7)( )(5)( )(9)(3)( )(7)(3)( )( )( )(4)(5)( )( )(3)(7)( )(1)( ) 7/3+7/5x5/3-5/3(简算) 找规律1,2,3,5,8,()()7,8,6,7,5,()() (5/6-3/9)*(0.25+5/7) (7/9-5/18)×(3/4+5/8) ()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( 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()() ()7() ()() 2 6 ()()5()() ()()()()()3()()8 9 ()() () 7 ()()2 3 ()() 6 ()()()9 ()() 8 ()()()()7()()()() 2 ()