直接写得数
+
= 
+
= 1﹣
= 
+
= 
+
=
﹣
= 
+
+
= 9.2×0.25×4= 0.8×25﹣10= 5÷8=
直接写得数+= += 1﹣= += +=﹣= ++= 9.2×0.25×4= 0.8×25﹣10= 5÷8=
试题篮
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