八下 1-1 等差數列

八下 1-1 等差數列

Presentation

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Mathematics

•

8th Grade

•

Practice Problem

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老師誠誠

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1 Slide • 15 Questions

1

已知三角形三邊長皆為正整數且成等差數列，其中恰有兩個是質數，且周長為99；
這樣的三角形有幾個？

1-1 等差數列

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已知三角形三邊長皆為正整數且成等差數列，其中恰有兩個是質數，且周長為99；
這樣的三角形有幾個？

1-1 等差數列

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