四年级小数加减法口算练习题.docx精品文档
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-=
1-=
+=
+=
1-=
-=
-=
-=
+=
-4=
+4=
10-=
6+=
-=
1-=
+=
7+=
3.25+0.75=
+=
0.7+0.9=
+1=
14.6-0.4=
10-0.1=
14+0.78=
3+=
5-0.08=
1.64+2.35=
1.1-1=
8.34-6.22=
+=
+=
-=
+=
-=
-=
+=
+=
88-=
-105=
+=
-=
-11=
+=
+=
+=
+=
+=
+=
-=
10-=
-=
-=
17+=
+=
7-=
9-=
+=
-=
-=
+=
-=
+=
-=
-=
+=
-=
-=
+=
-=
+=
+=
+=
-=
+=
1-=
+=
+=
-=
-=
-=
+=
+=
+=
+=
5-=
-=
10-=
+=
10-=
-=
+=
-=
+=
+=
+=
+=
-=
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-=
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14+= -=
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