Question

3) Resolva as expressões numéricas:

a) 35 - 5 x 5 =

b) (35 - 5) x 5 =

c) 80 - 50 : (5 - 3) + 15 x 2 + 10 =

d) (80 - 50) : 5 - 3 + 15 x (2 + 10) =

Answer 1

$\Large\boxed{\boxed{\boxed{{Ola\´\ }}}}}$

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a)

$\sf35 - 5 \times 5 \\ \sf35 - 25 \\ \large\boxed{{\sf \pink1 \pink0{}}}$

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b)

$\sf(35 - 5) \times 5 \\ \sf30 \times 5 \\ \sf\large\boxed{{\sf \pink1 \pink5 \pink0{}}}$

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c)

$\sf80 - 50 \div (5 - 3) + 15 \times 2 + 10 \\ \sf80 - 50 \div 2 + 30 + 10 \\ \sf80 - 25 + 30 + 10 \\ \sf120 - 25 \\ \large\boxed{{\sf \pink9 \pink5{}}}$

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d)

$\sf (80 - 50) \div 5 - 3 + 15 \times (2 + 10) \\ \sf30\div 5 - 3 + 15 \times12 \\ \sf6 - 3 + 180 \\ \sf186 - 3 \\ \large\boxed{{\sf \pink1 \pink8 \pink3{}}}$