Question

using properties, find the sum of the
following integers
425,215,-425​

Answer 1

Answer:

ANSWER

−

3

2

×

5

3

+

2

5

−

5

3

×

6

1

⇒ −

3

2

×

5

3

−

5

3

×

6

1

+

2

5

[ Using commutativity of rational numbers ]

⇒ −

5

3

×(

3

2

+

6

1

)+

2

5

[ By distributions ]

⇒ −

5

3

×(

6

2×2+1

)+

2

5

⇒ −

5

3

×

6

5

+

2

5

⇒

2

−1

+

2

5

⇒

2

−1+5

=

2

4

=2