题目内容

计算:436×435435436-435×436436435=
871
871
分析:根据数字特点,把435看作436-1,原式变为436×435435436-(436-1)×436436435,进一步计算即可.
解答:解:436×435435436-435×436436435,
=436×435435436-(436-1)×436436435,
=436×435435436-436×436436435+436436435,
=436×(435435436-436436435)+436436435,
=436×(-1000999)+436436435,
=436436435-436435564,
=871.
故答案为:871.
点评:认真观察数字特点,通过数字拆分,运用运算技巧,灵活解答.
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