Fill in the blanks to make the following statements true:
(i) (–5) + (– 8) = (– 8) + (............)
(ii) –53 + ............ = –53
(iii) 17 + ............ = 0
(iv) [13 + (– 12)] + (............) = 13 + [(–12) + (–7)]
(v) (– 4) + [15 + (–3)] = [– 4 + 15] + ............
NCERT Class 7th Mathematics Chapter 1 Integers

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Answers

2016-04-11T20:53:18+05:30
(–5) + (– 8) = (– 8) + (-5)
–53 + 0 = –53
17 + (-17) = 0
 [13 + (– 12)] + (-7) = 13 + [(–12) + (–7)]
(– 4) + [15 + (–3)] = [– 4 + 15] + (-3)
1 5 1
2016-04-11T20:55:04+05:30
(i) (-5)+(-8)=(-8)+(-5)
(ii) (-53)+0=(-53)
(iii) 17+(-17)=0
(iv) [13+(-12)]+(-7)=13+[(-12)+(-7)]
(v) (-4)+[15+(-3)]=[(-4)+15]+(-3)



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