Question

URGENTE URGENTE URGENTE!!!!!!!! ( QUESTÃO DIFÍCIL!!!! )​

Answer 1

Explicação passo a passo:

Substituir as variáveis ( letras ) pelo valor dado

$A)~~5-(-4)=5+4=9\\ \\ \\ B)~~3(2)-6=6-6=0\\ \\\\ C)~~2(-1)-3=-2-3=-5\\ \\ \\ D)~~8(3)+2.(-5)=24-10=14\\ \\\\ E)~~7(-6)-3(-5)=-42+15=-27\\ \\\\ F)~~(-1)^2+5^2=1+25=26\\ \\\\ G)~~3.(5)+2.(3)-1=15+6-1=21-1=20\\ \\ \\ H)~~2.(5)+2.(6)+2.(7)=10+12+14=36\\ \\\\ I)~~9.(2)+12.(3)-3.(4)=18+36-12=44-12=32$