maracaibo maracaibo
  • 07-03-2018
  • Mathematics
contestada

match the match sentences that count on and back by tens.
38+20=? 63+40=? 42+30=?
77-30=? 53-40=? 91-20=?

Respuesta :

Vividerla
Vividerla Vividerla
  • 07-03-2018
58 103 72
47 13 71

Hope I helped!
~ Zoe
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