Grade 1 Addition Doubles Plus One — Set 99

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easy Set 99
10
+4
7
+11
10
+10
7
+12
2
+12
4
+14
5
+3
7
+1
10
+9
10
+2
2
+12
6
+13
5
+12
8
+11
2
+6
1
+13
3
+15
10
+9
1
+1
6
+3
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