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Arithmetic ability: Level One: Mental subtraction of two-digit numbers.

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97 - 50 =

81 - 42 =

81 - 76 =

74 - 21 =

46 - 17 =

69 - 10 =

67 - 13 =

68 - 57 =

56 - 15 =

92 - 64 =

Return to exercise selection



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