hard Set 30 Table Grid
21x175=2=6=612+
5=19+36x96=7=4+
1=8=840x5-270x3=6=
18+12x40x
5+7=1=7-
18+24x90x2-7=2/
9x8=6-
168x6x6=20+
16+5=72x8+
Show solution
891375264
529467318
184729536
275143689
367984152
958632741
643591827
732816495
416258973