
subtraction_2digit_1digit_No21

subtraction_2digit_1digit_No22

subtraction_2digit_1digit_No23
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subtraction_2digit_1digit_No24

subtraction_2digit_1digit_No25

subtraction_2digit_1digit_No26
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subtraction_2digit_1digit_No27

subtraction_2digit_1digit_No28

subtraction_2digit_1digit_No29

subtraction_2digit_1digit_No30