20
10
-10
10
Assuming it is separated:(10 + 10) / 10 = 2Order of operations:10 + 10 / 10 =10 + 1 = 11
20
10
10
-10
40/10 = 20/a 4= 20/a 20/4 = a a= 5
10
10.5
20 can be divided by 20 and by 2. 20 divided by 20 equals 1, and 20 divided by 2 equals 10.
20/10 + 10 = 12 20/(10 + 10) = 1
387.7143
20
Assuming it is separated:(10 + 10) / 10 = 2Order of operations:10 + 10 / 10 =10 + 1 = 11