1A等于多少米?A上面有个小圆圈.

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1A等于多少米?A上面有个小圆圈.1A等于多少米?A上面有个小圆圈.1A等于多少米?A上面有个小圆圈.那是埃,一埃是10^-10米.10的负十次方念埃

1A等于多少米?A上面有个小圆圈.
1A等于多少米?
A上面有个小圆圈.

1A等于多少米?A上面有个小圆圈.
那是埃,一埃是10^-10米.

10的负十次方
念 埃