Question

(3×7+2×15)×(81-4×20)​

Answer 1

Resposta:

(3×7+2×15)×(81-4×20)

51×(81-4×20)

51×1

51

Answer 2

Resposta:

51

Explicação passo-a-passo:

(3 x 7 + 2 x 15) x (81 -4 x 20)

(21 + 30) x (81-80)

51x 1