(2 + 8) + (9 + 10) + 18 = 2 + (8 + 9) + (10 + 18)
use the associative property
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Answered by
1
Answer:
10+19+18=2+17+28
47=47(associative property)
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Answered by
0
Answer:
1step=10+19+18=17+10+18
2step=29+18=27+18
3step=47=45
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