2.72,36,24,18,( ) A.12 B.16 C.14.4 D.16.4
2.72,36,24,18,( ) A.12 B.16 C.14.4 D.16.4
36,18,12,6,4,( ),24,2.A.2 B.12 C.36 D.1
1 2 3 6 12 ( ) A.20 B.24 C.18 D.36
解五元一次方程组:2a+b+c+d+e=6 a+2b+c+d+e=12 a+b+2c+d+e=24 a+b+c+2d+e
A×2=a B×4=b C×6=c D×12=d A+B+C+D=256 a+b+c+d=770 求A·B`C`D和a`
已知a,b,c,d都是整数,且|a+b|+|b+c|+|c+d|+|d+a|=2,则|a+d|=______.
1,2,3,6,11,()A16 B 17 C 18 D 190,8,24,48,()A 56 B 64 C 72 D
数字推理3,3,6,18,( )A.24 B.72 C.36 D.48
1,2,4,3,5,6,9,18,( ) A.14 B.24 C.27 D.36
a,b,c,d>0 证(a/(b+2c+3d))+(b/(c+2d+3a))+(c/d+2a+3b))+(d/(a+2b
数字推理题:2,-6,8,-4,-8,a 12 b 16 c 20 d 24
24、填入空缺的数字16、(96)、12、10、( )、7.5 A、45 B、60 C、36 D、72