Question

Ayuda xfa xdd
a) 45 ÷ {–2 + 12 ÷ –4 + 12 – (–24) ÷ (–3 · 5 + 3)}

b) –32 ÷ (–4)(2) –√(4 · –3 – (19 – 47))

Answer 1

Respuesta:

Explicación paso a paso:

a)

45 ÷ {–2 + 12 ÷ –4 + 12 – (–24) ÷ (–3 · 5 + 3)}

45 ÷ {–2 -3 + 12 - (-24) ÷ (–15 + 3)}    

45 ÷ {–2 -3 + 12 - (-24) ÷ (–12)}

45 ÷ {7 + 24 ÷ –12}    

45 ÷ {7 -2}

45 ÷ {5}

= 9

b)

–32 ÷ (–4)(2) –√(4 · –3 – (19 – 47))

8 (2) –√(–12 + 28))

16 –√(16)

16 – 4

= 12