Предмет: Математика, автор: adambaranov10

7 2 0 : x =2 9 0 - 2 8 0 ПЖ ПОМОГИТЕ ДАМ ЛУЧШИЙ ОТВЕТ!!!!!!!!!!!!!!!!!​

adambaranov10: и проверку
1230dana0123: 720:х=290-280
1230dana0123: Ответ 72
adambaranov10: а решение и проверку
danonobycnyjjogurt: 1)290-280=10
1230dana0123: 290 - 280=10. Не могу ответ написать
1230dana0123: Кто то отвечает
adambaranov10: ок

Ответы

Автор ответа: Otlicnitsa5
1

720:x=290-280

720:x=10

X=720:10

X=72

720:72=290-280

10=10

Ответ:х=72

adambaranov10: спасибо
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