如何计算Long Multiplication

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Long multiplication is a written method for multiplying large numbers by breaking the problem into single-digit multiplications, then summing the partial products with correct place-value offsets.

分步指南

1. 1Write the numbers with the larger on top
2. 2Multiply the top number by the ones digit of the bottom number
3. 3Multiply the top number by the tens digit, shifting left by one place
4. 4Continue for each digit of the bottom number
5. 5Sum all partial products

例题解析