Simplify sqrt(63)-sqrt(175)+sqrt(28)...

Simplify `sqrt(63)-sqrt(175)+sqrt(28)`

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Simplify sqrt(63)-sqrt(175)+sqrt(28)
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Write the scientific notation (60000000)^4
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Write the scientific notation : (6000000)^3 div (0.00003)^2
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root3(192)+root3(24)
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