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Computing $999,999\cdot 222,222 + 333,333\cdot 333,334$ by hand.

arithmetic contest-math asked Jan 11 at 14:38

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18 votes

What is $-i$ exactly?

soft-question complex-numbers asked 11 hours ago

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13 votes

Prove that $x = 2$ is the unique solution to $3^x + 4^x = 5^x$ where $x \in \mathbb{R}$

algebra-precalculus proof-writing asked Jan 7 at 13:08

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11 votes

Is a counterexample considered a rigorous proof that a property is not true?

soft-question proof-theory asked Dec 22 '12 at 11:17

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6 votes

How to simplify $\frac{4 + 2\sqrt6}{\sqrt{5 + 2\sqrt{6}}}$?

algebra-precalculus fractions asked Dec 3 '12 at 14:46

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5 votes

What exactly is “approximation”?

soft-question terminology definition approximation asked Jan 31 at 19:41

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Top Answers

Computing $999,999\cdot 222,222 + 333,333\cdot 333,334$ by hand.

math.stackexchange.com

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Basic algebra but can't get answer that fits

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