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amm1812
3 years ago
9

X/15=y/20=z/18 và 2x+3y-2

Mathematics
1 answer:
Scilla [17]3 years ago
3 0

Answer:

Chào em, em hãy xem lời giải dưới đây nhé!

Lời giải:

Vì  nên

Áp dụng tính chất của dãy tỉ số bằng nhau ta có

Hope I` Helpede` Momo papa

Step-by-step explanation:

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