hankinsalissa
hankinsalissa hankinsalissa
  • 22-09-2016
  • Mathematics
contestada

29+24 is the same as blank +23 it is part of adding groups of 10 and 100

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kpreusch
kpreusch kpreusch
  • 22-09-2016
29+24=53 so therefore 30+23=53
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