Question

12 - (6
Towing example.
(12 - 6) – 4 = 6 - 4 = 2
Since, 2 # 10, therefore, subtraction is not assoThen, name the property illustratedciative.
said to be the identity number of subtraction.
A number remains unchanged when 0 is subtracted from it, e.g., 9 – 0 =
Self Practice 2A
1.
Evaluate the expression. .
(a) 5 +9=
(b) 495 - 0 =
(c) 7 + (4 + 9) =
(7 + 4) +9=
9 + 5 =
856​

Answer 1

Answer:

a)14

b)495

c)20,19,14 hope it helps

Answer 2

Answer:

35799875422335678843123699033