1.) 7² + 7
= (7 × 7) + 7
= 49 + 7
= ( 7×7 ) + 7
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1.) 7² + 7
= (7 × 7) + 7
= 49 + 7
= 56
Penyelesaian
= ( 7×7 ) + 7
= 49 + 7