题目内容
甲比乙多
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错误
分析:甲比乙多
,把乙看作单位“1”,则甲是乙的1+
=
,乙比甲少
÷(1+
),计算出结果即可判断.
解答:乙比甲少:
÷(1+
),
=
÷
,
=
×
,
=
;
故答案为:×.
点评:本次考查学生对量率与单位“1”的理解与掌握,解答此类问题,重点应找准单位“1”.
分析:甲比乙多
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解答:乙比甲少:


=
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
=
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=
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故答案为:×.
点评:本次考查学生对量率与单位“1”的理解与掌握,解答此类问题,重点应找准单位“1”.

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