Вопрос школьника по предмету Математика
Составь буквенное выражение по задаче и вычисли его значения.
Для изготовления макета космической ракеты было куплено d метров алюминиевых проводов по цене 130 тенге, k метров стеклопластика по цене 420 тенге, v лампочек по цене 530 тенге. Сколько всего денег израсходавалось на изготовление космической ракеты? Значения переменных: d =8, k =19, v =21.
Ответ учителя по предмету Математика
Ответ:
20150 тенге
Пошаговое объяснение:
Буквенное выражение = 130d + 420k + 530v
Решение = 130*8 + 420*19 + 530*21 = 1040 + 7980 + 11130 = 20150 тенге
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Заранее огромное,при огромное спасибо