Question

(30+5)÷[5.(4-3)].[(6.8)÷(6÷3)]
[3.(5.3)+25].[(8÷2)÷(8÷4)]
(90÷6).{(-2)+[3.(5+1)-(8-4)+3]}
Ayudeme con estos ejercios x favor gracias

Answer 1

(30+5)÷[5.(4-3)].[(6.8)÷(6÷3))
solucion:
35÷5×[ (48÷2)]
35÷5×(24)
7×24
168



[3.(5.3)+25].[(8÷2)÷(8÷4)]
solucion:
[ 3×(15)+25]×[ 4÷2]
[ 45+25]×2
70×2
140


(90÷6).{(-2)+[3.(5+1)-(8-4)+3]}
solucion
15×[ -2+[ (3×6)-4+3]
15×[ -2+ (18-4+3)]
15×[ -2+17]
15×5
75