0.2001*0.20022002+0.2002*0.20012001 如何简便计算?
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![0.2001*0.20022002+0.2002*0.20012001 如何简便计算?](/uploads/image/z/183400-16-0.jpg?t=0.2001%2A0.20022002%2B0.2002%2A0.20012001+%E5%A6%82%E4%BD%95%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3F)
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0.2001*0.20022002+0.2002*0.20012001 如何简便计算?
0.2001*0.20022002+0.2002*0.20012001 如何简便计算?
0.2001*0.20022002+0.2002*0.20012001 如何简便计算?
0.2001×0.20022002+0.2002×0.20012001
=0.2001×﹙0.2002×1.0001﹚+0.2002×﹙0.2001×1.0001﹚
=0.2001×0.2002×1.0001+0.2002×0.2001×1.0001
=2×﹙0.2001×0.2002×1.0001﹚
=2×0.2001×0.2002×1.0001
右腿感觉发热.
0.2001×0.20022002+0.2002×0.20012001
=0.2001×﹙0.2002×1.0001﹚+0.2002×﹙0.2001×1.0001﹚
=0.2001×0.2002×1.0001+0.2002×0.2001×1.0001
=2×﹙0.2001×0.2002×1.0001﹚
=2×0.2001×0.2002×1.0001