Question

5•2³+3²:7²•4³-8²+5¹
ПРОШУ ПОМОГИТЕ ДАЮ 20 БАЛЛОВ​

Answer 1

Ответ:

$5 \times {2}^{3} + {3}^{2} \div {7}^{2} \times {4}^{3} - {8}^{2} + 5 = 40 + \frac{9}{49} \times 64 - 69 = 40 + \frac{64 \times 9}{49} - 69 = \frac{576}{49} - 29 = 11 \frac{37}{49} - 29 = - |28 \frac{49}{49} - 11\frac{37}{49} | = - |17\frac{12}{49} | = - 17 \frac{12}{49}$