(408:4*6-420:5)*100 1380:10:6-96:(48:4):2 408:8*10-420:4*2 (1380-190*2):100+5990

Question

(408:4*6-420:5)*100 1380:10:6-96:(48:4):2
408:8*10-420:4*2 (1380-190*2):100+5990

Answer 1

1) 52.800
2) 19
3) 300
4)6000