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Addition without regrouping

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  • 220+154 = ?
    374
  • 44 +30= ?
    74
  • 176+313 = ?
    489
  • 41+25 = ?
    66
  • 148+431 = ?
    579
  • 53 + 12 = ?
    65
  • 244+32 = ?
    276
  • 137+251 = ?
    388
  • 142 + 120 = ?
    262
  • 122+175 = ?
    297
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