Penjelasan dengan langkah-langkah:
19² + 19
= ( 19 × 19 ) + 19
= 361 + 19
= 380
1.) 19² + 19
= (19 × 19) + 19
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Penjelasan dengan langkah-langkah:
19² + 19
= ( 19 × 19 ) + 19
= 361 + 19
= 380
1.) 19² + 19
= (19 × 19) + 19
= 361 + 19
= 380