Learn how to subtract two-digit numbers. By the end of this tutorial, you'll be able to solve problems like 48-9 and 48-31. More advanced problems like 48-29 will be covered in a future tutorial.
79_Subtracting_2_digit_numbers_without_regrouping_1.html
80_Subtracting_two_digit_numbers_without_regrouping_example_2_.html
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