=5×2的12次方×(-2的9次方)+2×2的8次方×2的10次方
=-5×2的21次方+2的19次方
=-20×2的19次方+2的19次方
=-19×2的19次方
计算：5（2³）的4次方×（-2³）³+2[（-2）²]的4次方×（-2的5次方）²等于多少?
计算：5（2³）的4次方×（-2³）³+2[（-2）²]的4次方×（-2的5次方）²等于多少?
数学人气：618 ℃时间：2019-08-21 23:29:03
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