6789+91010-8030*940; 9010-98316+864:510; 2000-500*4:2+8*50; 5010-93020-180:9*6

Question

6789+91010-8030*940; 9010-98316+864:510; 2000-500*4:2+8*50; 5010-93020-180:9*6

Answer 1

1) - 7, 450401
2) - 89, 304
3) 1400
4) - 88, 130