Tag: 17数学,说课

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200611-等差数列前n项和说课-22170601

Added by 4 年 ago

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200611-等差数列的前n项和-22170630

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42 Views7 Comments

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200611-等差数列前n项和说课-22170638

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61 Views7 Comments

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200611-说课-22170639

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47 Views7 Comments

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200611-等差数列的前n项和说课-22170615

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84 Views7 Comments

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200611-函数的奇偶性说课-22170632

Added by 4 年 ago

52 Views8 Comments

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200611-等差数列前n项和说课-06170332

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81 Views7 Comments

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200611-说课-22170623

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42 Views7 Comments

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200611-平方差公式说课-22170640

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80 Views8 Comments

200611-等差数列前n项和说课-22170605

Added by 4 年 ago

78 Views8 Comments

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