1*2-34*5-6+789=615
1+2*345+6+7-89=615
1-2*3-4-5+6+7*89=615
1+2-3*4-5+6+7*89=615
1+2+3-4*5+6+7*89=615
1*2*3-4*5+6+7*89=615
1*2-3+4-5-6+7*89=615
1+2*3-4-5-6+7*89=615
1-23+4*5-6+7*89=615
1*2-3*4*5/6+7*89=615
1-2*34-5+678+9=615
1/2*3*456-78+9=615
12+3*4*56-78+9=615
1*2*345-6-78+9=615
1+2+3*45+6*78+9=615
1*2*3*45+6*7*8+9=615
1+23*4-5+67*8-9=615
1+2-34-56+78*9=615