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161X(1+0.75)-0.75X60-0.75简便算法
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161X(1+0.75)-0.75X60-0.75 简便算法
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161X(1+0.75)-0.75X60-0.75
=161*1+161*0.75-0.75*60-0.75*1
=161+0.75*(161-60-1)
=161+0.75*100
=161+75
=236
=161*1+161*0.75-0.75*60-0.75*1
=161+0.75*(161-60-1)
=161+0.75*100
=161+75
=236
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