1+12+14+18+116+132+164+1128+1256+1512=
计算:12+14+18+116+132+164+1128+1256+1512+11024
12+14+18+116+132+164+1128.
1+12+14+18+116+132+164
12+14+18+116+132+164
12+14+18+116+132+164的结果非常接近于哪个数?为什么?
计算:(1-14)(1-19)(1-116)(1-125)(1-136)(1-149)(1-164)(1-181)(1-
数列1+12,2+14,3+18,4+116,…的前n项和为( )
简便运算3+12+18+24+.+126+132=?
简便计算10*1/12+12*1/14+14*1/16+16*1/18=?
1/10*12+1/12*14+1/14*16+1/16*18=?
找规律 1,14,19,116,下一个是什么数字?A.132 B.128 C.125 D.124
(+32)-(+18)-()-(+164)=-18怎样做?