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247×285+247×386+671×253=.
题目详情
247×285+247×386+671×253=______.
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答案和解析
247×285+247×386+671×253
=247×(285+386)+671×253
=247×671+671×253
=(247+253)×671
=500×671
=335500.
故答案为:335500.
=247×(285+386)+671×253
=247×671+671×253
=(247+253)×671
=500×671
=335500.
故答案为:335500.
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