Question

{[1+(3+3×5)÷2]÷2+[1+(6-2×2)÷2]×10+15}÷5​

Answer 1

Răspuns:

20

Explicație pas cu pas:

{[(1+18:2)]:2+[(1+2):2]x10+15}:5

{[(1+9):2+(3:2)]x10+15}:5

[(10:2+1,5)x10+15]:5

(6,5x10+15):5

(65+15):5

80:5=20