Question

1. (5 - 3) × [( -6 ) ÷( 5 + 1 ) - (-5)] - [(5+6) - ( -7+9)- (-2)] =


2 . ( -5+7-3)-[(-5+13)÷(-3-1)+(4-5)+9×(-5)]=


3 . (-7-8)[(-4+2)-(+9)]-[(3+10)-(-18+9)÷(3)]=


4 . 7{5-[(-10+2)÷4(-7)]-(5-8)+8}=


5 . [(-6+8)-(-15)÷3]×{-8-[-2+(8+2)÷(-3-2)]+(-4+8-5)}=


ayuda xff​

Answer 1

1. explicar paso a paso no pude resolver la 1 xk ya no me alcanzar tiempo