长度一尺2寸5是不是42厘米?

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长度一尺2寸5是不是42厘米?长度一尺2寸5是不是42厘米?长度一尺2寸5是不是42厘米?1尺是100/3厘米,1寸是10/3厘米,所以1尺2寸5是:100/3+2.5*10/3=125/3,约是42

长度一尺2寸5是不是42厘米?
长度一尺2寸5是不是42厘米?

长度一尺2寸5是不是42厘米?
1尺是100/3厘米,1寸是10/3厘米,
所以
1尺2寸5是:100/3+2.5*10/3=125/3,
约是42厘米.

41.25cm 1尺=33cm