观察下面各数:3、9、27、81、243、729 1,7,25,79,241,727,1,3,9,27,81,243
观察下面各数:3、9、27、81、243、729 1,7,25,79,241,727,1,3,9,27,81,243
观察下面的数:(1)3,-9,27,-81,243,-729.(2)1,-7,25,-79,241,-727.(3)1,
观察下面三行数:-3,9,-27,81,-243,...-5,7,-29,79,-245,...-1,3,-9,27,-
观察下面的数:3,9,27,81,243,729,······①1,7,25,79,241,727,······②1,3
观察下面的数:(1)-3,9,-27,81,-243,729.(2)0,12,-24,84,-243,729.(3)-1
观察下面三行数:-3,9,-27,81,-243,…-5,7,-29,79,-245,…-1,3,-9,27,-81…(
观察下面三行数:-3,9,-27,81,-243.-5,7,-29,79,-245.-1,3,-9,27,-81.
观察下面的数的排列规律,在空格处填上恰当的数:-1,3,-9,27,______,243,…
标准检测卷观察下面三行数:-3,9,-27,81,-243,729……0,12,-24,84,-240,732……-1,
观察下面三行数,-3,9,-27,81,-243…… 1,13,-23,85,-239…… 1,-3,9,-27,81
观察下面三行数:1:-3,9,-27,81,-243;2:0,12,-24,84,-240;3:-1,3,-9,27,-
观察下面三行数:1:-3,9,-27,81,-243;2:0,12,-24,84,-240;3:1,-3,9,-27,8