直接写出得数.
+
= 1+
= 
﹣
= 
﹣
=
2﹣
= 
+
= 
﹣
= 
+
=
3﹣= 2+
= 1.5﹣
= 0.5+
=
2.5+
= 
+0.5= 
﹣0.25= 
﹣0.7=
直接写出得数.+= 1+= ﹣= ﹣=
2﹣= += ﹣= +=
3﹣= 2+= 1.5﹣= 0.5+=
2.5+= +0.5= ﹣0.25= ﹣0.7=
试题篮
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