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小亮在计算一道小数减法题时,把被减数个位上的9错写成了6,减数十分位上的6错成了9,最后所得的差是?
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个位上的9错写成6,那么相差了3,十分位上的6错写成了9,那么就相差0.3哦,然后加上差,就是正确的答案哦
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咨询记录 · 回答于2022-06-05
小亮在计算一道小数减法题时,把被减数个位上的9错写成了6,减数十分位上的6错成了9,最后所得的差是?
你好,亲亲
最后所得差是21.7吧?亲亲
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【问一问自定义消息】
21.7+(0.9-0.6)+9-6=25这道题的正确答案是25哦
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个位上的9错写成6,那么相差了3,十分位上的6错写成了9,那么就相差0.3哦,然后加上差,就是正确的答案哦
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