how do we multiply2- digit by 1 to 2-digit numbers?
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how do we multiply2- digit by 1 to 2-digit numbers?
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Answer:
A handy trick for 2-digit by 1-digit multiplication...
Multiply the 1 digits together first. Cross-multiply by multiplying diagonal digits, then add the two sums together. Multiply the 2-digit numbers. Combine the answers to reach your final answer.