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Pls help with 6 a pls

Pls help with 6 a pls-example-1
User Jopasserat
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1 Answer

6 votes

Answer:

a=2054cm2

b=822cm2

Explanation:

a=(26×47) + [(25×16)×2]=2054cm2

b=(26×47)-(25×16)=822cm2

User Treiff
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