81,64,49,(),25,(),9,4,(),1

81,64,49,(),25,(),9,4,(),1 100,81,64,49,36,25,16,9,( ),1的规律 找规律!1,4,9,25,a,49,64,81,a 1,4,9,16,25,( ),( ),64,81 1,4,9,16,25?64,81 1,9,16,25,64,81 数列81 64 49 36 25 16 9 1 1的规律是什么,请知道的朋友帮帮忙 "画一画,圈一圈(3）81 64 49 25 9 4 1 36 40 16 44 1+4+9+16+25+36+49+64+81+100+121+144+169+196= 怎样简算 求4*16*36*64*100*144-1*9*25*49*81*121后除以13的余数是多少? 4,9,16,25,(),36,49,64 填空:81 ,64 ,49 ,36,(),(),9 ,4 ,1写出规律 感兴趣的请进.设a,b,c,d,e,f,g都是整数,并且：a+4b+9c+16d+25e+36f+49g=1……A4a+9b+16c+25d+36e+49f+64g=12……B9a+16b+25c+36d+49e+64f+81g=123……C求16a+25b+36c+49d+64e+81f+100g的值. 观察下列一行数,找出规律,-1,4,-9,16,-25,36,-49,64,-81······按规律第12个数是什么? (1-1/4)(1-1/9)(1-1/16)(1-1/25)(1-1/36)(1-1/49)(1-1/64)(1-1/81)(1-1/100) (1-1/4)(1-1/9)(1-1/16)(1-1/25)(1-1/36)(1-1/49)(1-1/64)(1-1/81)(1-1/100) 观察这列数字1,-4,9,-16,25,-36,49,-64,81……第n（n为整数）个数是? 9=81,8=64,7=49,6=36,5=25,4=?,3=?,2=?1=?