6. Show the output produced by each of the following program fragments (i, j, k int): = 6; j = i += 1; printf("%d %d", i, j); i = 5; j = (i 2) + 1; printf("%d %d", i, j); i 7; j = 6+ (i = 2.5); printf("%d %d", i, j); i = 2; j = 8; = 6) (j = 3); j (i = printf("%d %d", i, j);