8*4+(25-17)= 82-21:7+11= (13-8)*6:10=...

Question

8*4+(25-17)= 82-21:7+11= (13-8)*6:10=

42:(31-8*3)=

(90:10-4)*7=

72:(40-32)*6=

81:81*9+37=

(39-39)*100+36:6=

(6*10-48):2=

Answer 1

1. 40
2.90
3.3
4.6
5.35
6.46
7.106
8. 6

Answer 2

 8*4+(25-17)= 32+8=40
 (13-8)*6:10=  5*6:10=30:10=3
42:(31-8*3)=42:(31-24)=42:(7)=6
(90:10-4)*7=(9-4)*7=35
72:(40-32)*6=72:(8)*6=54
81:81*9+37=46
(39-39)*100+36:6=6
(6*10-48):2=6