Grade 1 Addition Doubles — Set 31

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easy Set 31
3
+2
2
+6
3
+5
4
+10
1
+4
4
+3
10
+5
3
+13
2
+15
8
+1
7
+1
10
+2
4
+12
10
+8
2
+17
10
+3
8
+10
4
+10
10
+9
3
+15
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