12+14+18+116+132+164
1+12+14+18+116+132+164
12+14+18+116+132+164
12+14+18+116+132+164+1128.
计算:12+14+18+116+132+164+1128+1256+1512+11024
12+14+18+116+132+164的结果非常接近于哪个数?为什么?
计算:(12+14+16+18)−(13+16+19+112)+(14+18+112+116)−(15+110+115+
数列1+12,2+14,3+18,4+116,…的前n项和为( )
计算:(1-14)(1-19)(1-116)(1-125)(1-136)(1-149)(1-164)(1-181)(1-
找规律 1,14,19,116,下一个是什么数字?A.132 B.128 C.125 D.124
简便运算3+12+18+24+.+126+132=?
12,14,18,26,38,(
14×44+12×18+32×14 简算