Entry Nº 037Stage 2 · Grades 3–4数与代数
小数的性质
小数末尾添 0 或去 0,大小不变。
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Definition
——小数末尾的 0 只是把计数单位说得更细,并没有改变数的大小。凭这条性质,才能把小数化简或按需要补位。
Where it comes from · where it goes
Prerequisites
What builds on it
(none yet)