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Addition math worksheet with 20 problems for finding the sum of three numbers.

A math worksheet titled "Addition" with 20 problems requiring students to find the sum of three numbers, featuring a cartoon doctor illustration in the top right corner and a "Stambo Resources" logo at the bottom right.

A math worksheet titled "Addition" with 20 problems requiring students to find the sum of three numbers, featuring a cartoon doctor illustration in the top right corner and a "Stambo Resources" logo at the bottom right.

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