用简便方法计算﹙0.25-0.125﹚×8

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用简便方法计算﹙0.25-0.125﹚×8用简便方法计算﹙0.25-0.125﹚×8用简便方法计算﹙0.25-0.125﹚×8原式=0.25x8-0.125x8=0.25x4x2-1=1x2-1=2-

用简便方法计算﹙0.25-0.125﹚×8
用简便方法计算﹙0.25-0.125﹚×8

用简便方法计算﹙0.25-0.125﹚×8
原式=0.25x8-0.125x8 =0.25x4x2-1 =1x2-1 =2-1 =1