Question

My friend asked me this question, please help me ​

Answer 1

Answer:

5+8=5

Step-by-step explanation:

ITS BECAUSE

a.5

b.12

c.21

so d is 5

2nd 12 its opposite 21

so 5 =5

because 5 is one digit number

Answer 2

Answer:

34 is the correct answer.,because.

1+4=5

2+5=12(5 is also added here,so.7+5=12.)

3+6=21(12 is also added here,because 5+7+9=21)

5+8=34 (because ,now here we will add all the numbers..5+12+21=34)

hope you understand.

mark as brainliest.