Răspuns :
c:8+621-674=734
c:8+621=734+674
c:8+621=1408
c:8=1408-621
c:8=787
c=787 ori 8
c=6296
c:8+621=734+674
c:8+621=1408
c:8=1408-621
c:8=787
c=787 ori 8
c=6296
c:8+69*9-674=734
c:8+621-674=734
c:8=734-621+674
c:8=787
c=787*8
c=6296
c:8+621-674=734
c:8=734-621+674
c:8=787
c=787*8
c=6296