9,1,4,3,40,()A 81 B 80 C 121 D 120
选择:9,1,4,3,40,() A.81 B.80 C.121 D.120
9,1,4,3,40,()A 81 B 80 C 121 D 120
9,1,4,3,40,( )A.81 B.80 C.121 D.120
一道数量关系题,9,1,4,3,40,(A.81 B.80 C.121 D.120
9,1,4,3,40,( ) A.81 B.80 C.121 D.120,
9,1,4,3,40,( ) 下一个数字是多少?A 80 B 81 C 120 D 121 选那个?
两道数字推理题9,1,4,3,40( )A 81B 80C 121D 12056,66,78,82,( )A 98B 1
数字推理:9,1,4,3,40,() A 80 B 81 C 120 D 121 答案为D,我思考了一个月不得其解,请高
9,1,4,3,40,( ) A.81 B.80 C.121 D.120答案C,请问过程,谢谢
求数字排列答案及思路9,1,4,3,40,( ) A.81 B.80 C.121 D.120请写出解题思路,
设a,b,c,d为正数,求证(a+c/a+b)+(b+d/b+c)+(c+a/c+d)+(d+b/d+a)≥4
已知a、b、c、d满足方程组3a+b+c+d=1a+3b+c+d=9a+b+3c+d=9a+b+c+3d=5