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nadya68 [22]
3 years ago
12

Một cửa hàng bán một bang ủi điện được lãi 20% theo giá bán. Hỏi người đó được lãi bao nhiêu phần trăm theo giá vốn?

Mathematics
1 answer:
Tems11 [23]3 years ago
8 0

Answer:

a welding torch requires 4122.8L of ethylene gas at 0.64 atm

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