试题与答案

填一填. (1)计算小数加、减法,要把______对齐,也就是把______对齐

题型:填空题

题目:

填一填.

(1)计算小数加、减法,要把______对齐,也就是把______对齐.得数的末尾有0,一般要把0______.

(2)根据8.27-3.56=4.71写出一道加法算式是______和一道减法算式是______.

答案:

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