(27:9+42)+(54:6+25)-51 =

1. (27:9+42)+(54:6+25)-51 = (3+42)+(9+25)-51 = 45+34-51 = 79-51 = 28 2. ((73+7*3)-18*3):2+51 = ((73+21)-54):2+51 = (94-54):2+51 = 40:2+51 = 20+51 = 71 3. (54:6+16)*4-(96:2+35) = (9+16)*4-(48+35) = 25*4-83 = 100-83 = 17 4. (22:2+19)+(14*2-16)*2 = (11+19)+(28-16)*2 = 30+12*2 = 30+24 = 54 5. (28-14*2)*8+100:4+38 = (28-28)*8+25+38 = 0*8+25+38 = 0+25+38 = 63 6. (32-8*4)*6+72:9+62 = (32-32)*6+8+62 = 0*6+8+62 = 70 7. (12*6:9+36+25*2):2 = (72:9+36+50):2 = (8+36+50):2 = 94:2 = 47 8. 21+(96-25*3)*3-23*2 = 21+(96-75)*3-46 = 21+21*3-46 = 21+63-46 = 84-46 = 38 9. 35*0+(18*4-10*4):8+66 = 0+(72-40):8+66 = 32:8+66 = 4+66 = 70 10. 24*((7+18:3)-5):8+41 = 24*((7+6)-5):8+41 = 24*(13-5):8+41 = 24*8:8+41 = 24+41 = 65 11. (71-14*4):5-3)*0+100 = 100 12. (25+50):5+(30:6+24)+56 = 75:5+(5+24)+56 = 15+29+56 = 100 13. ((63:3*4-57):9+41):4 = ((21*4-57):9+41):4 = ((84-57):9+41):4 = (27:9+41):4 = (3+41):4 = 44:4 = 11 14. 6-(9*4+24):3+51-48 = 6-(36+24):3+51-48 = 6-60:3+51-48 = 6-20+51-48 = -14+51-48 = 37-48 = -11 15. (92-28*3)*(54+48:6-53) = (92-84)*(54+8-53) = 8*(62-53) = 8*9 = 72 16. (54+48:6-23)*(72-18*4) = (54+8-23)*(72-72) = (62-23)*0 = 0