Question

реши уравнения k×7=574 y-324=349 127+a=449

Answer 1

k*7=574
k=574:7
k=82
проверка
82*7=574
574=574
========================
y-324=349
y=349+324
y=673
проверка
673-324=349
349=349
====================
127+a=449
a=449-127
a=322
проверка
127+322=449
449=449

Answer 2

7к=574
к=574:7
к=82
----------------
82*7=574
574=574


у=349+324
у=673
-----------------------
673-324=349
349=349

а=449-127
а=322
----------------------
127+322=449
449=449