Using the principle of similar triangles to measure tree height

Primary Colors and Mixing

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The roof seems to be leaking.

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How do these bubbles stay suspended?

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You could go perform magic now.

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It turns out you can actually play with the big ice chunks inside popsicles like this.

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This is a bit outrageous.

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Looks like we can save the money for buying speakers.

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I spent ages trying to figure it out, but still couldn't understand.

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How do you calculate this?

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This works too?

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Can you really pump water like this?

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Auntie has accepted her son's boyfriend!

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Today, nothing seems to go right.

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To not play by the rules.

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Everyone, please don't blindly follow trends and imitate others.

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I never expected that the egg would actually jump!

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Today, the secret of the dogtail grass was finally revealed.

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What should you do for kidney deficiency? Simply press and hold this acupoint!

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I wanted to install an air conditioner at home for my child, but who would have guessed...

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Fortunately, the child didn't ask any further questions.

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