Question

2×5+15. 8×2-16. 20-(17-10), 35-(14+6), 3×6-10. 7×2-13

Answer 1

2×5+15=10+15=25
8×2-16=16-16=0
20-(17-10)=20-7=13
35-(14+6)=35-20=15
3×6-10=18-10=8
7×2-13=14-13=1

Answer 2

$2*5+15=25\\ 8*2-16=0\\ 20-(17-10)=13\\ 35-(14+6)=15\\ 3*6-10=8\\ 7*2-13=1$