Mathematics
Grade-1
Easy
Question
Write the missing number.
20 = 
+ 7 + 8
- 5
- 4
- 3
- 6
The correct answer is: 5
To get the answer 20, add 7 & 8 first.
7 + 8 = 15, to get 20, add 5 with 15.
15 + 5 = 20, the missing number is 5.
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