Question

Find using distributive property:
1. 397×27+397×13
2. 571×697-171×697
3. 3845×5×782+769×25×218
4. 645+223×645

Answer 1

Answer:

1. 397×(27+397×13) =(397×27)(397+397)(397×13)

ans:10719+794+5161=16674

Answer 2

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