hard Set 20 Table Grid
6=5-72x1=1-3=
225x96x8=
840x12x5-7
216x504x9=5=
3=34420x17+20+
3/1=1-2/
13+1-14+216x86=
224x6=14+
9=12x3=5=7=1=
Show solution
562789143
957146238
835914627
723891465
346578912
691235784
214357896
178462359
489623571