1.

Fill in the blanks to make the following statements true :(i) (-5) + (-8) = (-8) + (……..)(ii) 53 + .....= – 53(iii) 17 + …. 0(iv) 113 + (-12) + (……) = 13 + [(-12) + (-7)](v) (-4) + [15 + (-3)] = [-4 + 15] + .....

Answer»

(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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