Question

please solve this question.​

Answer 1

Answer:

the number in middle is the difference between both the numbers.

99-72= 27

45-27= 18

39-18= 21

36-21= 15

Step-by-step explanation:

answer is 15..

check-

28-15=13

yes our answer is correct..

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Answer 2

Answer:

heya dear....(✷‿✷)

Step-by-step explanation:

subtract the given two numbers to get the result...

99-72 =27

likewise... 36-21 =15

hope it helps....( ◜‿◝ )