7945*4:5*7+1643. 1643+7945*4:5. 2898:7*8-237+5129. 2898*8:7-237+5129

Question

7945*4:5*7+1643. 1643+7945*4:5. 2898:7*8-237+5129. 2898*8:7-237+5129

Answer 1

1)46135;
2)1799;
3)8204;
4)8204;