Question

resolvam [40+2×(7-5)]×2-20​

Answer 1

Olá!

Resposta:

• [ 40 + 2 × ( 7 - 5 ) ] × 2 - 20
• [ 40 + 2 × 2 ] × 2 - 20
• [ 40 + 4 ] × 2 - 20
• 44 × 2 - 20
• 88 - 20
• 68

Answer 2

Resposta:

ok, vamos lá!!

[40+2×(7-5)]×2-20

[40+2×2]×2-20

[40+4]×2-20

44×2-20

88-20

$\boxed {68}$ --> resposta ✓

espero que seja útil