Question

B+30x2-21+9998-18765432456x1234321234

Answer 1

Olá, tudo bem?

30x2-21+9998-18765432456x1234321234

30 × 2 21 999818765432456 × 1234321234 = -2.

Passos

30 × 2-21 +999818765432456 × 1234321234

Multiplicar os números: 30 × 2 = 60

= 60-21

+999818765432456 × 1234321234

Multiplicar os números: 18765432456 × 1234321234 2.31626...E19

= 60 - 21 + 9998 - 2,31626 ... E19

Somar/subtrair: 60-21+9998-2.31626...E19 =

2,31626 ... E19

-2,31626 ... E19