B. Complete the skip counting series.
1. 18, 21, ___, ___, 30 (24, 27)
2. 60, 66, ___, ___, 84 (72, 78)
3. 49, 56, ___, ___, 70 (56, 63)
4. 45,54, ___, ___, 81 (63, 72)
5. 45, 60, ___, ___, 105 (75, 90)
וווןן
1. 18, 21, ___, ___, 30 (24, 27)
2. 60, 66, ___, ___, 84 (72, 78)
3. 49, 56, ___, ___, 70 (56, 63)
4. 45,54, ___, ___, 81 (63, 72)
5. 45, 60, ___, ___, 105 (75, 90)
וווןן
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Answer:
1 18,21,24,27,30
2 60,66,72,78,84
3 49,56,63,70
4 45,54,63,72,81
5 45,60,75,90,105
Explanation