如题所述
大äº0.3ï¼å°äº0.5ç两ä½å°æ°æ19个
解ï¼
大äº0.3ç两ä½å°æ°æå°æ¯0.31ï¼å°äº0.5çæ大两ä½å°æ°æ¯0.49
ï¼0.49-0.31ï¼Ã·0.01+1
=0.18÷0.01+1
=18+1
=19ï¼ä¸ªï¼
çï¼å¤§äº0.3ï¼å°äº0.5ç两ä½å°æ°æ19个ã
解ï¼
大äº0.3ç两ä½å°æ°æå°æ¯0.31ï¼å°äº0.5çæ大两ä½å°æ°æ¯0.49
ï¼0.49-0.31ï¼Ã·0.01+1
=0.18÷0.01+1
=18+1
=19ï¼ä¸ªï¼
çï¼å¤§äº0.3ï¼å°äº0.5ç两ä½å°æ°æ19个ã
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