14.8x6.3-6.3x6.5 8.4x3.7简算
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14.8x6.3-6.3x6.5+8.4x3.7
=(14.8-6.5)x6.3+8.4x3.7
=8.3x6.3+8.4x3.7
=(8.4-0.1)x6.3+8.4x3.7
=8.4x6.3-0.1x6.3+8.4x3.7
=8.4x(6.3+3.7)-0.63
=8.4x10-0.63
=84-0.63
=83.37
行家正解，不明白可以追问！祝您学习进步
满意请点击下面的【选为满意回答】按钮，O(∩_∩)O谢谢
=(14.8-6.5)x6.3+8.4x3.7
=8.3x6.3+8.4x3.7
=(8.4-0.1)x6.3+8.4x3.7
=8.4x6.3-0.1x6.3+8.4x3.7
=8.4x(6.3+3.7)-0.63
=8.4x10-0.63
=84-0.63
=83.37
行家正解，不明白可以追问！祝您学习进步
满意请点击下面的【选为满意回答】按钮，O(∩_∩)O谢谢
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