Practice Exercise 1.1
List the properties of addition that are satisfied by the following statements.
a.
+
C.
8
+
e.
7 3
9
+
is a rational number
d. (²)-3-0-3+ (²)
2. Verify that a + b = b + a, using the values of a and b given below.
a. a=
b =
c. a =
e. a =
(-3)
b=
b. a =
9
16
4
b=
d. a =
5
16
3.
What is the additive inverse of each of the following numbers?
a.
b.
C.
3
d.
13
(-15)
e.
4.
Verify the associative property of addition (a + b) + c = a + (b + c) using the
values of a, b and c given below.
a.
a=
5
b. a = (-3)
a=
b
b=
9
b
Solve the following problems.
21 5
a.
b.
16 6
7-7
Subtract the following.
a./from-72
12
d.
13
from
43
9
13
3
4
G=
7
12
C=
9
C= =
1.
in
5.
C.
d.
곪
C.
from
e.
6.
b.
from 0
e.
10 from 1
11
20
7.
Using the values of a and b given below, show that a-bb-a in the following cases.
a. a =
7
10
b =
c. a =
(-1)
b=
e. a =
b=
b. a =
4
13
b=
d. a =
11
b=
9
Answers
Answered by
1
Answer:
ਬਿਜਲੀ ਨੇ ਖੇਤੀ-ਬਾੜੀ ਦੇ ਖੇਤਰ ਵਿੱਚ ਕਿਹੜੀ ਤਬਦੀਲੀ ਲਿਆਂਦੀ ਹੈ?
Similar questions