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Growing patterns
A pattern that shows an increasing sequence is called growing pattern.
1 +2 3 +2 5 +2 7
Rule: add two circles.
Example 1 Write the appropriate numbers.
⑴
?
⑵
?
⑶
?
2. Various patterns 15
A pattern that shows an increasing sequence is called growing pattern.
1 +2 3 +2 5 +2 7
Rule: add two circles.
Example 1 Write the appropriate numbers.
⑴
?
⑵
?
⑶
?
2. Various patterns 15
