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By: t0721, Views: 816

Asking Yes-No Questions

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By: t0721, Views: 824

Asking yes-no Questions

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By: t0721, Views: 787

Positive sentences

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By: t0721, Views: 785

Negative sentences

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By: t0721, Views: 764

asking yes-no questions

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By: t0721, Views: 758

Answering yes/no questions

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PreS1_Solving equation(ax=b)

By: t1702, Views: 828

PreS1_Solving equation(ax=b)

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PreS1_Solving equation(x/a=b)

By: t1702, Views: 822

PreS1_Solving equation(x/a=b)

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PreS1_Solving equation(ax/b=c)

By: t1702, Views: 862

PreS1_Solving equation(ax/b=c)

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