用2100个棱长1厘米的正方体堆成一个长方体,它的高是1分米,长和宽都大于高。它的长和宽各是多少厘米?9K4P8Y/k(D
算式:提示;[)g.\:}9N'r+`2z's9K4P8Y/k(D
答:长为8E/`'}+V8x2D)Y厘米;宽为+}'q3A*}7T4y*o-V6Q*c;]厘米;或者长为1C)X'~2Z.[(v)M,M.S;宽为0r3];G4~9y(d'o3R1R+`厘米。9K4P8Y/k(D