直接写出得数．= = = == = = =1.2×0.5= 0.16÷0.8= 0.32= 53=
﹣=+= 1﹣=+= 1﹣=+=
填一填．
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．+= +=
= 
= 
= 
=
= 
= 
= 
=
﹣
=
+
= 1﹣
=
+
= 1﹣
=
+
+
=
﹣
= 0.2﹣
=
+
=
﹣
=
+2÷9=
﹣
= 1.55﹣
+
=
=
=
=
=
= 1﹣
=
=
=
+
=
+
=
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