Вопрос школьника по предмету Математика
Алюминий составляет 80% сплава, остальное-медь. Алюминий в сплаве на 300 г больше меди. Какова масса сплава?
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Алюминий составляет 80% сплава, остальное-медь. Алюминий в сплаве на 300 г больше меди. Какова масса сплава?
решение задания смотри на фотографии
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Как решается?
Hi Sergei,
I hope you’re well. Guess where I was last weekend! I decided to go to the Crazy Ride Adventure Park with my friends. The weather was great. There were so many rides I couldn’t choose which one to go on. I tried the Mega roller coaster. It was great. We wanted to go to the Hall of Mirrors but we didn’t because there was a very long queue. We tried candyfloss but I didn’t like it. We stayed until late in the evening. What about you? Did you visit your grandparents? Write back soon.
Sam
(6-3х)^2=4х-8