Предмет: Математика, автор: renatabdurahmanov090

За дві ручки та три зошити заплатили 50 грн, а за три та два зошити 45 грн. Скільки коштуе одна ручка?
будь ласка без х і у
даю 15 балів

Ответы

Автор ответа: kononenkoeva32
2

Ответ:

1)45:5=9(зош.)-ціна зошита;

2)9×3=27(зош.)-3 зошита;

3)50-27=23(руч.)-2 ручки;

4)23:2=11(ост.5)(руч.)-1 ручка.

Відповідь:одна ручка коштує 11 гривень і 50 копійок.

Пошаговое объяснение:

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