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Question Number 32329 by naeems1000 last updated on 23/Mar/18

$$\mathrm{The}\mathrm{smallest}\mathrm{number}\mathrm{which}\mathrm{must}\mathrm{be}$$$$\mathrm{subtracted}\mathrm{from}3400\mathrm{to}\mathrm{make}\mathrm{it}\mathrm{a}$$$$\mathrm{perfect}\mathrm{cube}\mathrm{is}\mathrm{\_}\mathrm{\_}\mathrm{\_}\mathrm{\_}\mathrm{\_}.$$

Answered by Joel578 last updated on 23/Mar/18

$${15}^3=3375$$$$3400-3375=25$$

Answered by mrW2 last updated on 23/Mar/18

$${}^3\sqrt{3400}=15.04$$$$\Rightarrow 3400-{15}^3=25$$

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