Answer:
1. (5.7)+25
35+25=60
2. 90/6*10
90/60= 1.5
3. 350/5-20
70-20=50
4. 216*30 600/5 =120
6480+120= 6600
5. 48/5 = 9.6
6. 7+16*21
7+336= 343
7. 7/(27/216)
7/0.125=56
8. 3*(343+9)-10
3*352-10
1056-10= 1046
9. 10*60/64
600/64= 9.375
10. 8*(5*729)/5
8*3645/5
29160/5= 5832