中国体育代表团在第25~28届奥运会上获得的奖牌数如下：根据所给信息完善下表：中国体育代表团在第25~28届奥运会上获得的奖牌数
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直接写出得数．== 1﹣=+0.625=== 3﹣=+0.75=
口算：+= 1.52=﹣= 1.8÷2.7=﹣=+= 4+= 3﹣=﹣=﹣=﹣﹣=++=
（1）+= （2）﹣= ．
直接写出得数．========
=
=
=
=
=
=
=
=
=
= 1﹣
=
+0.625=
=
= 3﹣
=
+0.75=
+
﹣
= 1.8÷2.7=
﹣
=
+
= 4+
= 3﹣
=
﹣
=
﹣
=
﹣
﹣
=
+
+
=
+
= 
﹣
= ．
=
=
=
=
=
=
=
=
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