【Haichuan Teahouse】Brain Series: If you can’t do it in 10 seconds, you’ve forgotten the basics.

2022-07-11View Original

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Three squares are placed side by side. Find the area of the shaded part?

Reply #22022-07-11

There is no way to calculate the side lengths of a large square. From the three squares, subtract the two triangles with the lower line as the base, and then subtract the three triangles with the upper line as the base.

Reply #32022-07-14

I didn't finish it in 10 minutes. Am I suffering from Alzheimer's disease?

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【Haichuan Teahouse】Brain Series: If you can’t do it in 10 seconds, you’ve forgotten the basics.

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