Question

помогите по математике пж

Answer 1

12 + 15=27
10+27=37
81:3=27
51:3=17
18+29=47
80-33=47
92-45=47
28+19=47

Answer 2

12+15=27
10+27=37
80-33=57
18+29=47
81:3=27
94:2=47
50-33=17
92-45=47
100-43=57
20+37=57
62-35=27
62:4=17
19:3=47
28+19=47