Can you take only three matches away to make seven triangles?

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Can you take only three matches away to make seven triangles?
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Can you take only three matches away to make seven triangles?
Can you take only three matches away to make seven triangles?

Can you take only three matches away to make seven triangles?
你能小用三根火柴将图形变成七个三角形吗?
即在原图案中减掉(拿走)三根火柴,使图形中三角形的总数达到七个.

你能仅仅拿走三根火柴(使它)成为七个三角形吗?

你能只取走三根火柴,把原来图案变成七个三角形吗?