1.1x1.1x1.1-1.1x1.1-0.11小学五年级的题 用简便算法
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![1.1x1.1x1.1-1.1x1.1-0.11小学五年级的题 用简便算法](/uploads/image/z/7615941-69-1.jpg?t=1.1x1.1x1.1-1.1x1.1-0.11%E5%B0%8F%E5%AD%A6%E4%BA%94%E5%B9%B4%E7%BA%A7%E7%9A%84%E9%A2%98++%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
1.1x1.1x1.1-1.1x1.1-0.11小学五年级的题 用简便算法
1.1x1.1x1.1-1.1x1.1-0.11
小学五年级的题 用简便算法
1.1x1.1x1.1-1.1x1.1-0.11小学五年级的题 用简便算法
1.1x1.1x1.1-1.1x1.1-0.11
=1.1x1.1x1.1-1.1x1.1x1-0.11x1
=1.1x1.1x(1.1-1)-0.11x1
=1.1x1.1x0.1-0.11x1
=1.1x0.11-0.11x1
=(1.1-1)x0.11
=0.1x0.11
=0.011
原式=1.1x1.1(1.1-1)-1.1x0.1=1.1x0.1x(1.1-1)=0.011
1.1*1.1*(1.1-1)-0.11