658:7 836:4 9235+4 * (536:8) (2010-1065) : 7*6 40077*7-199099 9020*6+53901

1) 658 : 7 = 94

2) 836 : 4 = 209

3) 9235 + 4 * (536 : 8) = 9235 + 4 * 67 = 9235 + 268 = 9503

4) (2010 - 1065) : 7 * 6 = 945 : 7 * 6 = 135 * 6 = 810

5) 40077 * 7 - 199099 = 280539 - 199099 = 81440

6) 9020 * 6 + 53901 = 54120 + 108021

1) 658:7=94

2) 836:4=209

3) 9235+4 * (536:8) = 9503

536:8=67

67*4=268

9235+268=9503

4) (2010-1065) : 7*6=810

2010-1065=945

945:7=135

135*6=810

5) 40077*7-199099=81440

40077*7=280539

280539-199099=81440

6) 9020*6+53901=108021

9020*6=54120

54120+53901=108021