Question

Example 10. Simplify 2 + 12 - {2 - (2-2)}]
Sol. 2 + 12 - {2 - (2-2)] = 2 + 12 - {2 - 0}]
= 2 + 12 - 2)
= 2+0=2
Exercise 1(A)
Note-Every question is followed by four probable
answers. Tick (V) the letter of correct answer.
1. Find the difference between the greatest two digit
number and the least two digit number
(A) 5
(B) 50
(C) 89
(D) 45​

Answer 1

Answer:

12 is the right answer

Step-by-step explanation:

2+12-{2-(2-2)}

=2+12-{2-0}

=2+12-2

=12