4/25(1/1*5+1/5*9+1/9*13.1/97*101)多少?
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4/25(1/1*5+1/5*9+1/9*13.1/97*101)多少?4/25(1/1*5+1/5*9+1/9*13.1/97*101)多少?4/25(1/1*5+1/5*9+1/9*13.1/97
4/25(1/1*5+1/5*9+1/9*13.1/97*101)多少?
4/25(1/1*5+1/5*9+1/9*13.1/97*101)多少?
4/25(1/1*5+1/5*9+1/9*13.1/97*101)多少?
4/25(1/1*5+1/5*9+1/9*13.1/97*101) =4/25*(1-1/5+1/5-1/9+.+1/97-1/101)/4 =1/25*(1-1/101) =1/25*100/101 =4/101
4/25(1/1*5+1/5*9+1/9*13.1/97*101)多少?
1,3/4,9/5,7/16,25/9,()
0,1,1,4,5,9,14,16,30,25?
5/9÷1/3-2/9÷1/3 (1/4+5/6)X24/25
1/1×5+1/5×9+1/9×13+1/13×17+...+1/25×29=
4/1*5+4/5*9+4/9*13+4/13*17+...+4/25*29
4/5*1+4/5*9+4/9*13+.+4/25*29=?
简算(5/9+1/25)*9+16/25
找规律1/2,4/5,9/13,16/25,( ),( )
1/4x^2-3/5x+9/25
1.25×8/9+5/4*1/9
5/9-1/25+4/9-4/25=?简便计算
1,5,9,13,(),21,25
找规律 1,3,5,7,9,_____,...,_____,... 1,4,9,16,25,____,...,_____,...
(32*1/4+17)÷5/12 (25+3/4)÷1/4+1/4 18/25×9/16+7/25*9/16+9/16
1/4,3/9,5/16,7/25,9/36,第9个数该是多少
有理数:25/|[7/2-(-9/4)-1/3-1/4-(+1/6)]*(-5)=
(25/88-5/108+5/144)*(9/25-1又4/5)