题目内容
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分析:求商是多少,被除数是
;用
减去
求出差,再用乘上
得出的积,就是除数;最后用被除数除以除数即可求解.
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解答:解:
÷[(
-
)×
]
=
÷[
×
]
=
÷
=2;
答:商是2.
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=
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=
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=2;
答:商是2.
点评:本题根据最后求商,找出被除数以及除法,然后列式求解.
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