Question

180 ÷ { 10+2[ 20-45÷(13-√4x5)]}

a ) 19
b)10
c)6
d)9

ME AJUDEM !!!!!!

Answer 1

180÷{10+2.[20-45÷(13-2x5)]}

180÷{10+2. [20-45÷(13-10)]}

180÷{10+2. [20-45÷3]}

180÷{10+2.[20-15]}

180÷{10+2.5}

180÷{10+10}

180÷20

9