= 42 - 42 = 0
1
EXERCISE - 6.3
Add the following integers using number line.
(1) 7+(-6)
(11) (-8) +(-2) (iii) (-6)+(-5)+(+2
(iv) (-8) +(-9)+(+17) (v) (-3) + (-8) +(-5) (vi) (-1)+7+(-3)
Add without using number line.
(1) 10+(-3)
(ii) -10 +(+16) (iii) (-8)+(+8)
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don't know answer it's a, tough question
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