Question
Replace each $*$ by the correct digit in the following:
✓
Answer
Here, we can we see that in the units digit, $6 - * = 7,$ which means that the value of $*$ is $9$, as $1$ gets carried from $7$ at tens place to $6$ at unit place and $6$ at unit digit becomes $16$ then $16 - 9 = 7$
Now, when $7$ gives $1$ to $6$, it becomes $6,$ so $6 - 3 = 3.$
Also, it can be easily deduced that in $(8 - * = 6),$ the value of $*$ is $2$
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