Вопрос школьника по предмету Математика
найти разность чисел 6/7 и x равна произведению чисел 4,2 и 1,5
Ответ учителя по предмету Математика
6/7 — Х = 4,2 • 1,5
6/7 — Х = 6,3
Х = 6/7 — 6 3/10
Х = 60/70 — 6 21/70
Х = 60/70 — 5 91/70
Х = — 5 31/70
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