Предмет: Математика, автор: тимерханова

реши уровнение
250+а=500
800-с=640
(х+10)-10=50
у-16=68-16

Ответы

Автор ответа: Аноним
1
250 + a = 500
a = 500 - 250
a = 250
===
800 - c = 640
c = 800 - 640
c = 160
===
(x + 10) - 10 = 50
x + 10 - 10 = 50
x = 50
===
y - 16 = 68 + 16
y = 68 
тимерханова: спасибо
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