文档介绍:公司内部档案编码:[OPPTR-OPPT28-OPPTL98-OPPNN08]
三年级小数口算练****br/>+=
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+5=
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3+=
-2=
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+3=
7+=
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5+=
6-=
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10-=
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-=
-=
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+.3=
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-1=
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+=
8+=
5+=
6+=
4+=
+8=
+5=
+8=
-9=
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+5=
+6=
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-1=
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-=
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+0. 9=
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+10=
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7. 3-1. 4=
-2. 6=
+3. 6=
-=
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-3. 8=
1. 6+4. 7=
-5. 6=
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-1. 6=
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-5. 5=
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20+=
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-3=
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2-=
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2+=
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-=
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-=
1-=
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1-=
-4=
+4=
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10-=
6+=
-=
1-=
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7+=
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1-=
+1=
-