(786-600)•19+(1007-965)•14-48•16
(186)•19+(1007-965)•14-48•16
3534+(1007-965)•14-48•16
3534+(42)•14-48•16
3534+588-48•16
3534+588-768
4122-768=3354
(786-600)•19+(1007-965)•14-48•16
(186)•19+(1007-965)•14-48•16
3534+(1007-965)•14-48•16
3534+(42)•14-48•16
3534+588-48•16
3534+588-768
4122-768=3354