Question

$sqrt{4900} + sqrt{0.49}$
как решать объясните
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Answer 1

$sqrt{4900}+sqrt{0,49}=sqrt{70^{2} }+sqrt{0,7^{2} }=70+0,7=70,7$

Answer 2

$sqrt{4900} + sqrt{0,49} = 70 + sqrt{ frac{49}{100} } = 70 + frac{7}{10} = frac{707}{10} = 70 frac{7}{10} = 70,7$