√49 + {5² + [8 - 5(7 - 2)] + 2} =?
√49 + {5² + [8 - 5(7 - 2)] + 2} =.
√49 + {5² + [8 - 5(7 - 2)] + 2} =.
En resumen
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B49%2B%2825%2B%288-5%285%29%29%2B2%29%7D%3D%20%5Csqrt%7B49%2B%2825%2B%288-25%29%29%2B2%29%7D%3D" /> <img src="https://tex.z-dn.net/?f=%5Csqrt%7B49%2B%2825-17%2B2%29%7D%3D%5Csqrt%7B49%2B10%7D%3D%5Csqrt%7B59%7D" />.
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B49%2B%2825%2B%288-5%285%29%29%2B2%29%7D%3D%20%5Csqrt%7B49%2B%2825%2B%288-25%29%29%2B2%29%7D%3D" />
<img src="https://tex.z-dn.net/?f=%5Csqrt%7B49%2B%2825-17%2B2%29%7D%3D%5Csqrt%7B49%2B10%7D%3D%5Csqrt%7B59%7D" />.