(1)5,6,12,21 (21-6)/5*12=36(2)2,13,17,21 (13+17)/2+21=36 (3)1,2,4,6 (1*2+4)*6=36 (4)3,6,8,10 6*(10-8)*3=36 (5)5,7,11,13 (11-5)*(13-7)=36(6)7,7,11,14 14/7*(11+7)=36 (7)1,4,12,18 18*(12/4-...
(1)5,6,12,21 (21-6)/5*12=36(2)2,13,17,21 (13+17)/2+21=36 (3)1,2,4,6 (1*2+4)*6=36 (4)3,6,8,10 6*(10-8)*3=36 (5)5,7,11,13 (11-5)*(13-7)=36(6)7,7,11,14 14/7*(11+7)=36 (7)1,4,12,18 18*(12/4-...