22.6×543-226×42.2-12.1×126简便计算
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2016-07-22 · 知道合伙人教育行家
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22.6×543-226×42.2-12.1×126
=22.6x543-22.6x422-12.1x126
=22.6x(543-422)-121x12.6
=22.6x121-121x12.6
=(22.6-12.6)x121
=10x121
=1210
=22.6x543-22.6x422-12.1x126
=22.6x(543-422)-121x12.6
=22.6x121-121x12.6
=(22.6-12.6)x121
=10x121
=1210
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22.6×543-226×42.2-12.1×126
=226x54.3-226x42.2-12.1x126
=226x(54.3-42.2)-12.1x126
=226x12.1-12.1x126
=12.1x(226-126)
=12.1x100
=1210
求采纳
=226x54.3-226x42.2-12.1x126
=226x(54.3-42.2)-12.1x126
=226x12.1-12.1x126
=12.1x(226-126)
=12.1x100
=1210
求采纳
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