(674-315)+Х=452 Х+(237+156)=750

Question

(674-315)+Х=452
Х+(237+156)=750

Answer 1

(674-315)+х=452
359+х=452
х=452-359
х=93
Проверка
(674-315)+93=452
          359+93=452
                452=452

х+(237+156)=750
х+393=750
х=750-393
х=357
357+(237+156)=750
          357+393=750
                 750=750