Fill in the blanks.
(i) (−317)+(−125)=(−125)+(.....)
(ii) −9+−218=(......)+(−9)
(iii) (−813+37)+(−134)=(......)+[37+(−134)]
(iv) −12+(712+−911)=(−12+712)+(.....)
(v) 19−5+(−311+−78)={19−5+(.....)}+−78
(vi) −167+.....=......+−167=−167
Fill in the blanks:
(i) −4×79=79× ___
(ii) 511×−38=−38× ___
(iii) 12×(34+−512)=12× ____ +(×)−512
(iv) −45×57×___ =(−45×57)×−89
Re-arrange suitably and find the sum in each of the following :
(i)1112+−173+112+−252
(ii)−67+−56+−49+−157
(iii)35+73+95+−1315+−73
(iv) 413+−58+−813+913
(v)23+−45+13+25
(vi) 18+512+27+712+97+−516