ruthc22ow71uk ruthc22ow71uk
  • 13-09-2017
  • Mathematics
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What addition doubles fact can help you solve 4 +5?

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Аноним Аноним
  • 13-09-2017
4 + 4 can help. Then add one.
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Аноним Аноним
  • 13-09-2017
4+4= 8 + 1=9
2+2=4 + 5=9
Answer Link

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