Question

x+273 = 482=
(k+213)-81 = 405.
​

Answer 1

Ответ:

1)

х+273=482

х=482-273

х=209

209+273=482

2)

(k+213)-81=405

k=405+81

k=486

k=486-213

k=273

(273+213)-81=405