Quis1 . 45² × 2 + 12 – 35²​

Jawaban:

2.837

Penjelasan dengan langkah-langkah:

45² x 2 + 12 – 35

= ( 45 x 45 ) x 2 + 12 – ( 35 x 35 )

= 2.025 x 2 + 12 – 1.225

= 4.050 + 12 – 1.225

= 4.062 – 1.225

= 2.837

(45² x 2) + 12 – 35²

= 4050 + 12 – 1225

= 2.837