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Subject- Maths
Chapter- Integers
Class- 7
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Answer 1

Answer:

d) (a +b) + c = a + (b+c)

Step-by-step explanation:

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Answer 2

Answer:

(d) is the correct option

Step-by-step explanation:

Basically, this property states that rearranging the parenthesis on an expression will not change the result. For example,

For the integers: 2,3 and 4

2×(3×4) = (2×3)×4

2 ×12 = 6×4

24 = 24

LHS = RHS

Hence proved