Question

Решите пропорцию 4:х=х:49

Answer 1

$\frac{4}{x} = \frac{x}{49} \\ x \times x = 4 \times 49 \\ {x}^{2} = 196 \\ x = \sqrt{196 } \\ x = 14$

Answer 2

4/х=х/49
х=4×49
х=196
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