15*[206-(35-26)]用简便方法计算

15*[206-(35-26)]用简便方法计算
2025-06-20 15:17:56
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回答1:

15*[206-(35-26)]用简便方法计算
解答
=15×(206-9)
=15×197
=15×(200-3)
=3000-45
=2955