find the sum of 6+3+4+7by finding the pairs of 10 and add them.
Answer:
20
Step-by-step explanation:6+4 and 7+3 add and get 20
20 because obkhkhihihihihohih
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Answer:
20
Step-by-step explanation:6+4 and 7+3 add and get 20
Answer:
20 because obkhkhihihihihohih