Question

(b)
cole
+
+0+
+
9
3
24
(c)
-13 11
+
20 14
-5
+ +1
7
+
+
(d)
-8 -5
+ +
7 9 21
3
9. The sum of two rational numbers is
2.
If one of
3
the numbers is
find the other.
6
If one
to get
107
to get
to
10. The sum of two rational numbers is
3
20
3
of the numbers is find the other.
4
1
11. What number should be added to
12
24
3
2. What number should be added to
4
4
3
3. What number should be subtracted from
20
3
get
?
4
4. State, yes or no.
(a) Is the sum of any two rational numbers also
a rational number?
(b) Is addition of rational numbers associative ?
(c) Is addition of rational numbers commutative?
(d) Is negative of a negative rational number​

Answer 1

a .s

b. false

c.true

d.true