计算:98766×98768-98765×98769.-数学

题目简介

计算:98766×98768-98765×98769.-数学

题目详情

计算:98766×98768-98765×98769.
题型:解答题难度:中档来源:不详

答案

98766×98768-98765×98769,
=(98765+1)×98768-98765×(98768+1),
=98765×98768+98768-(98765×98768+98765),
=98765×98768+98768-98765×98768-98765,
=98768-98765,
=3.

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