Предмет: Математика, автор: masya230506

составить уравнение.
1) Сумма 56 и неизвестного числа равна разности 120 и 30.
2) Разность чисел 80 и х равна сумме 60 и 5.

Ответы

Автор ответа: MrLichinus
3
( . ) ( . ) ответ ( . ) ( . )
Приложения:
cikurii: второй пример не правильно
Автор ответа: Harry1798
6
1)56+х=120-30 2)80- х=60+5
cikurii: 56+х=120-30 1)120-30=90 2)х=90-56 3)х=34
cikurii: 80-х=60+5 1)80-х=65 2)х=65+80 3)х=145
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