設(shè)這個數(shù)字是x
根據(jù)題目:
x-0.17x=7700.88
x(1-0.17)=7700.88
0.83x=7700.88
x=9278.1687
什么數(shù)字-這個數(shù)字的%17=7700.88
什么數(shù)字-這個數(shù)字的%17=7700.88
數(shù)學(xué)人氣：810 ℃時間：2020-05-10 19:18:17
優(yōu)質(zhì)解答
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