小强周一到周五在校达标分数统计表①如图是 统计图．②本周平均每天达标分数是 分．③预计下周五天的总分数是本周的125%，下周预计将得到 分数．
直接写得数．+=﹣= 0.2﹣=+=﹣=+2÷9= 2﹣﹣= 1.55﹣= 1﹣﹣+= 0.5﹣﹣=
计算．===== 1﹣===
看图计算下面各题．+= +=
计算下列各题：========
观察下面各式，算一算，你能发现什么规律？+=+=+=×=×=×=
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×
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