1×18/17:(18/17+2×7/11)

Question

1×18/17:(18/17+2×7/11)

Answer 1

1 * 18/17: (18/17 + 2 * 7/11) = 99/218,

1) 2 * 7/11 = 14/11 = 1 3/11,

2) 18/17 +1 3/11 = 18/17 + 14/11 = 198/187 + 238/187 = 436/187 = 2 62/187,

3) 18/17 : 2 62/187 = 18/17 : 436/187 = 18/17 * 187/436 = 99/218

Comments

1 * 18/17: (18/17 + 2 * 7/11) = 99/218,1) 2 * 7/11 = 14/11 = 1 3/11,2) 18/17 +1 3/11 = 18/17 + 14/11 = 198/187 + 238/187 = 436/187 = 2 62/187,3) 18/17 : 2 62/187 = 18/17 : 436/187 = 18/17 * 187/436 = 99/218Подробнее - на Znanija.com - https://znanija.com/task/29706677#readmore