Question

(i) -21 and -5
(ii) -7 and 7
6. Subtract:
(i) -7 from -5
(ii) -8 from 8
(iii) -17 from - 7
(iv) 4 from 13
7. Verify a -(-6) = a + b for the following:
(i) a = 37, b = 2
(ii) a = 211, b = 117
(iii) a = 121, b = 14 (iv) a = 75, b - 27
8. A ladder has 10 steps. A labourer has to carry
climbs the ladder 2 steps up in one second a
second by dancing on a famous tune. In hown
the top?
1
1
1​

Answer 1

Step-by-step explanation:

6.

i)-5-(-7)=-5+7=2

ii)8-(-8)=8+8=16

iii)-7-(-17)=-7+17=10

iv)13-4=9