底層：381÷（1+2+4+8+16+32+64）=3盞
頂層：3*2*2*2*2*2*2=192盞
答：頂層192盞燈.
遠(yuǎn)望巍巍塔七層,紅光點(diǎn)點(diǎn)倍加增,共燈三百八十一,請(qǐng)問頂層幾盞燈?
遠(yuǎn)望巍巍塔七層,紅光點(diǎn)點(diǎn)倍加增,共燈三百八十一,請(qǐng)問頂層幾盞燈?
數(shù)學(xué)人氣：570 ℃時(shí)間：2020-09-19 14:31:02
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