下面由正方体堆成,数一数,填空:6v4q2n*B0C3R1I-t9p4].Z4?'O)F+h6E0{
6v4q2n*B0C3R1I-t9p4].Z4?'O)F+h6E0{
(1)按层数:第一层有6W(v-o+[(T)W个正方体,第二层有.J'u8n8f)s8?:U-P5C/Q/X个,第三层有'z6{7B3\.m't7w-g8E*I2y个;6v4q2n*B0C3R1I-t9p4].Z4?'O)F+h6E0{
(2)按排数:前排有4V2m:g(K7B3g6t8T([9i3@(p/s4];c(o个正方体,后排有0\:N9e3o个.6v4q2n*B0C3R1I-t9p4].Z4?'O)F+h6E0{
(3)一共有*L4n6c0?+V.~8}7P7|1d个正方体.6v4q2n*B0C3R1I-t9p4].Z4?'O)F+h6E0{