1-234+56+789=612 1-2-34*5-6+789=612 1-2*34+56+7*89=612 12-34+5+6+7*89=612 1*2-3*4+5-6+7*89=612 1-2-3+4-5-6+7*89=612 12/3-4-5-6+7*89=612 12-3*4-5-6+7*89=612 12+3-4*5-6+7*89=612 12+3+4-5*6+7*89=612 1*23-4-5*6+7*89=612 1-2-3*4*5/6+7*89=612 1234-5+6-7*89=612 1+23+4+567+8+9=612 1+2-3*4*5+678-9=612 12*3+45/6*78-9=612 12+34+567+8-9=612 1/2*34*5+67*8-9=612 1-23*4-5+6+78*9=612 1*23+4+5/6*78*9=612 123-4-5-6+7*8*9=612 1*2*34/56*7*8*9=612 1*2+34+56/7*8*9=612 1*2*34*56/7/8*9=612