Question

hi friends can you give me one more answer
That question is
If a = 3,b=4,c=5,then prove that:
(a) a + ( b + c ) = ( a + b ) + c
(b) a × ( b × c ) = ( a × b ) × c
I need this answer in 5 minutes
means at 8:07 I need the answer​

Answer 1

Answer:

a )12=12

b}60=60

this is the answer mark me as

brainliest

Answer 2

Answer:

a. 3+(4+5)=(3+4)+5

3+9=7+5

12=12

b.3×(4×5)=(3×4)×5

3×20=12×5

60=60