Question

The question is in the diagram, Thank you!

Answer 1

Answer:

(1)

11–(69) =6

⇒(69)=11–6

∴ (69) = 5

(2)

14–[ ] = 9

⇒[ ]=14–9

∴ ☐ = 5

(3) []+3=19

⇒▢ = 16

(4) 21 + ✒ = 28

⇒ ✎ = 7

(5) ? –11 = 9

⇒ ? = 20