Question

11. Find the value of
(i) -8-(-15)-10
(ii) 6 - 7 - (-23 )
(iii) (3 -4) + (3 -4)
(iv) - 60 - (- 58) - (- 2)
(v) 19 - -[(4 (- 17]​

Answer 1

Explanation:

(1) -3

(2) 22

(3) -2

(4) 0

(5) -49

Answer 2

(i) -8-(-15)-10

= -8+15-10

= -8+5

= -3 ( ans.)

(ii) 6-7-(-23)

= 6-7+23

= -1+23

= 22(ans.)

(iii) (3-4) + (3-4)

= -1+(-1)

= -1-1

= -2(ans.)

(iv) -60-(-58)-(-2)

= -60+58+2

= -2+2

= 0 (ans.)

(v) 19- [(4-17)]

= 19 - [-13]

= 19 + 13

= 32 (ans)

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