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Q.

Replace each black with the correct digit 917- ____59 = 5[[2]] 8.


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Detailed Solution

Replace each black with the correct digit 917- 359 = 558.
We are required to find missing digits
9 1 7 _ 5 9 ¯ 5 _ 8  
We assume the missing digits as x and y.
9 1 7 x 5 9 ¯ 5 y 8  
Borrowing 1 from the tenth place and hundredth place.
+10 8 0 +10 9 1 7 x 5 9 ¯ 5 y 8  
Therefore,
10+ 05 =y 10+05=y y=5  
The final step of the calculation is as follows.
+10 8 0 +10 9 1 7 x 5 9 ¯ 5 y 8  
Therefore,
8x=5 x=85 x=3  
Therefore, the required mathematical expression is 917 359 ¯ 558   and the missing digits are 3 and 5.
 
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Replace each black with the correct digit 917- ____59 = 5[[2]] 8.