(1+x)^2=1.21
1+x=1.1
x=0.1
40(1+x)^2=48.4用分解公因式算
40(1+x)^2=48.4用分解公因式算
數(shù)學(xué)人氣:267 ℃時(shí)間:2020-06-28 21:22:23
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