0,9,26,65,124,(A.186 B.215 C.216 D.21734,36,35,35,(),34,37(A
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0,9,26,65,124,(A.186 B.215 C.216 D.21734,36,35,35,(),34,37(A.36,33 B.33,36 C.37,34 D.34,37√2,3,√28,√65,(A.2√14 B.√83 C.4√14 D.3√142,3,6,36,(A.48 B.54 C.72 D.1296
0,9,26,65,124,(A.186 B.215 C.216 D.217选出D,各数为1,2,3,4,5,6的三次方减1,加134,36,35,35,(),34,37(A.36,33 B.33,36 C.37,34 D.34,37选A,两数为一组,和都是70√2,3,√28,√65,(A.2√14 B.√83 C.4√14 D.3√14可看做根号内2,9,28,65,这1,2,3,4的三次方加1所以选D,为根号下1262,3,6,36,(A.48 B.54 C.72 D.1296选D 1296,前面所有的数相乘等于后面的数. "
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0,9,26,65,124,(A.186 B.215 C.216 D.21734,36,35,35,(),34,37(A
1.0,9,26,65,124,( A.186 B.215 C.216 D.2172.19,76,28,112,36,(
0,9,26,65,124,( )A.186 B.217 C.216 D.215本人资质有限,算了好久仍是一头雾水,
0,9,26,65,124,( ) A.165 B.193 C.217 D.239
求证(b,c,d)a+(c,a,d)b+(a,b,d)c+(b,a,c)d=0 a,b,c,d皆为向量>
[a,b)×[c,d
a,b ,c ,d
已知向量a+b+c+d=0,求证|a|+|b|+|c|+|d| >=|a+d|+|b+d|+|c+d|.
a>0,b>0,c>0,d>0,且b/a>d/c,求证b+d/a+c>d/c
a,b,c,d>0 证(a/(b+2c+3d))+(b/(c+2d+3a))+(c/d+2a+3b))+(d/(a+2b
a=b=c=0,printf("%d,%d,%d,%d",a,b,c,a++ &&b++||c++)
A B C D × 9 ___________________ D C B A (1) A = ( )(2) B = (