展开全部13 * 4 = 52 8 * 9 = 72 21 \ 7 = 3 8 \ 4 = 12 \ 6
(1)27*3=81 6*9=54 (2)56/8=7,9/3=12/4
将1~9这九个数字不重复地填入下列方格中,使算式的结果最大.□□*□+□□□ - □95*86+743-12=8170+743-12=8901故答案为:95*86+743-12.
将0 - 9这10个数字填写在空格内不能重复( )+( )=( )+( )=( )+( )=( )+( )=( 搜狗问问(0 )+(9 )=(1 )+(8 )=(2 )+(7 )=(3 )+(6)=(4 )+(5 )=9
数字1到9不能重复填空,)( ) - ()()=()()=()*()()使等式成立. 搜狗问问(9)(3)-(2)(5)=(6)(8)=(4)*(1)(7)
把123456789分别填入空格数字不能重复□ - □=□ - □=□ - □=□ - □=□9-8=7-6=5-4=3-2=1
把1~9九个数分别填在()里,组成三个等式,(各数不重复使用) ()加()=()()减()=() ()乘()=()(4)加(5)=(9) (8)减(7)=(1) (2)乘(3)=(6)
九宫格横行竖列都是从1到9数字不能重复47,58,69,81,1,12,23,34,4557,68,79,9,11,22,33,44,4667,78,8,10,21,32,43,54,5677,7,18,20,31,42,53,55,666,17,19,30,41,52,63,65,7616,27,29,40,51,62,64,75,526,28,39,50,61,72,74,4,1536,38,49,60,71,73,3,14,2537,48,59,70,81,2,13,24,35
从1到9九个数字填入如下空格中,使每一横行,每一竖行,每一斜行的和都相等,怎么填?很简单:就是都等于15就对了2 7 69 5 14 3 8
把12345678分别填入空格不能重复使每行每列每天对角线的和相等2 9 47 5 36 1 8参考资料百度知道:zhidao.baidu/question/2204316011894959828.html