Предмет: Математика, автор: Аноним

Реши уравнения :
x - (90 - 37) = 19

Ответы

Автор ответа: Lima2j1j
3
х-53=19
х=19+53
х=72
.............
Автор ответа: Юлька346564
2
Если перед скобками стоит знак минус,то при раскрытии скобок надо опустить этот знак, а все знаки, стоящие перед слагаемыми в скобках, изменить на противоположные.
х-90+37=19
х=19+90-37
х=72
х=72:1
х=72
Ответ:72
Удачи тебе во всём.Правило тебе я просто написала.)))

Юлька346564: Пожалуйста рада была помочь
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We sometimes call a person's work his _________________ activity.

economies

economize

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