Q2. Add: 69 +96 write your observation.
Q3 Find: 87-78 write your observation
Answers
Answered by
0
Step-by-step explanation:
69 +96 =165
87 - 78 = 9
the digits of this addition and subtraction are inter changed by each other like 69 is changed into 96 and 87 is changed into 78.
Answered by
0
Step-by-step explanation:
69+96 = 165
87–78= 9
.............
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