Question

Std vii
Sub Maths ( Revision)
Ch 1- Integers
Qn.1. Fill in the blanks:
a. The additive inverse of - 75 is _________.
b. (-8) -(-16)=________.
c. 78+ (-45)=________.
d. -7+____= +21
e. The additive Identity for the integer is ____.
f. 45×(-5)=_______
g. The multiplicative Identity for integers is ________.
h. (-60)×(-8)=________
I. 125÷(-25)=_______
j.13÷[(-2)+2]=_______.​

Answer 1

1. +75

2. -8+16= -8

3. 78-45= 33

4. -7 + -7 = +21

5. O

6. -225

7. -1

8. 480

9. -5

10. 0

Answer 2

question:-

• 1 ans:- +75
• 2ans:- 8
• 3ans:- 33
• 4ans:- (-14)
• 5ans:-
• 6ans:- -225
• 7ans:-
• 8ans:- 480
• 9ans:- -5
• 10 ans:- 0