Add a multiple of 10 to 3 digits (no help)
Add a multiple of 10 to a 3-digit number, crossing 100.
Add a multiple of 10 to 3 digits (no help)
Add a multiple of 10 to a 3-digit number, crossing 100.
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Add a multiple of 10 to a 3-digit number, crossing 100.
Add a multiple of 10 to a 3-digit number, crossing 100.