Question

7. Match the two columns
Column I
(1) 17 + (-11) = (-11) + 17
(ii) 8 + 0 = 8
(ii) 15 - 9 = 6 (an integer)
(iv) (6-7) -586-(7-5)
(v) (-6) + [(-7) + (-3)]
= [(-6) + (-7)] + (-3)
Column II
(a) Integers are closed under subtraction
(b) Subtraction is not associative for integers
(c) Commutative property of addition
(d) Addition is associative for integers.
(e) O is the additive identity for integers​

Answer 1

Answer:

i. i = c

ii. ii = e

iii. iii = a

iv. iv = b

v. v = d

Answer 2

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