9 INGRID MONTHÁN . Facit.till.fördiagnos........................6:3 . Resultatmall.till.fördiagnos.............6:4 . Beräkningar.–.några.genvägar.......6:5 . Symmetri.......................................6:6 . Mer.om.mönster.och.formler.........6:7–8 . Sudoku..........................................6:9 . Prov.1...........................................6:10–12 . Prov.2...........................................6:13–16 . Fördiagnos....................................6:1–2