Question

Решите пожалуйста, запутался в лёгком примере

Answer 1

1) 1 - ( 1/3 ) = 2/3 
2) 1,2 : ( 2/3 ) = ( 6/5 ) :  ( 2/3 ) = 9/5 = 1,8 
ОТВЕТ 1,8

Answer 2

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If you want to solve a math problem, you can use the quadratic formula to find the roots of a quadratic equation. For example, if you have x^2 + 3x - 10 = 0, you can find x by using the formula:

$$x=\\frac{-b\\pm\\sqrt{b^2-4ac}}{2a}$$

where a = 1, b = 3, and c = -10. Then you get:

$$x=\\frac{-3\\pm\\sqrt{3^2-4\\ast1\\ast(-10)}}{2\\ast1}=\\frac{-3\\pm7}2$$

So x = 2 or x = -5. You can check your answer by plugging these values into the original equation. For more examples, you can look at this website.