Mental Addition: Chapter Exercise

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Find the Sum

22 + 16

62 + 41

92 + 12

32 + 22

89 + 73

73 + 59

47 + 26

19 + 74

55 + 49

39 + 38

Find the Sum

242 + 362

684 + 553

932 + 342

342 + 246

834 + 738

743 + 512

459 + 890

124 + 244

523 + 298

242 + 334

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