Решите уравнения 12/53+41/53-k=17/26 28//54+12/54-n=8/27 - вопрос №208413912534153172628541254827 от tayna73p00m0k 26.11.2021 22:54

Question

Математика: Решите уравнения 12/53+41/53-k=17/26 28//54+12/54-n=8/27

tayna73p00m0k · Answer

(12/53+41/53)-k=17/26 (28/54+12/54)-n=8/27
53/53)-k=17/26 42/54-n=8/27
1-k=17/26 42-54n=16
26-26k=17 54n=42-16
26k=26-17 54n=26
26k=9 n=54/26
k=9/26 n=27/13