判断题,计数单位就是位数,

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判断题,计数单位就是位数,判断题,计数单位就是位数,判断题,计数单位就是位数,像一(个)、十、百、千、万、十万……等,叫做数的计数单位.小数的计数单位有0.1,0.01,0.001,0.0001,0.

判断题,计数单位就是位数,
判断题,计数单位就是位数,

判断题,计数单位就是位数,
像一(个)、十、百、千、万、十万……等,叫做数的计数单位.小数的计数单位有0.1,0.01,0.001,0.0001,0.00001等.
位数是一个自然数包含有数位的个数.比如个位数包含1个数位,两位数包含有2个数位.有几个数位就是几位数,也就是位数是几.

不对,整数有他的计数单位,如个,十,百......
小数计数单位0.1,0.01,0.001......
分数有不同,是分子是1的分数....

不对