20÷(200＋50)＝0.08
①まず、( )の中を計算します.
→（200＋50）＝250
②20÷250＝0.08
式：20÷(250)
20÷250＝0.08
だと思います！
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20÷(200＋50)＝0.08
①まず、( )の中を計算します.
→（200＋50）＝250
②20÷250＝0.08
式：20÷(250)
20÷250＝0.08
だと思います！
Users viewing this question
are also looking at these questions 😉
筆算とかはやれますか？