Respuesta :

vrajeshparikh330

Answer:

10

Step-by-step explanation:

(9 + 10+ 1/1 + 1(1) - 21 + 20)    / 2

(9 + 10 + 1 + 1 -21 +20)          /2

(21 - 21 + 20)              /2

(20) / 2

10

Hope this helps

PLZ MARK BRAINLIEST

jawhuss
The answer is 10
20/2-21+20/2
20/-19+20/2
20/1/2
20/2
=10
Hope this helps!