# Quick multiplication special cases:

### Case 1:

In a two digit no if the 10th place has same value and the addition of values in unit place is 10 then the multiplication will be like:

Multiply the unit values .

Multiply the 10th value (which is same in both the digit) with 1 incremented value.

### Case 2:

In a two digit no if the unit place has same value and the addition of values in 10th place is 10 then the multiplication will be like:

Multiply the unit place values with each other(which are same).

Multiply the 10th values with each other then add them with the unit place value.

### Case 3:

If the difference between the two digit is 10. And the unit place contains value 5 then in that particular case the multiplication will be:

Unit place's value is 75(always remain the same because the unit place contains value 5)

Multiply the smaller one 10th place digit with larger digit incremented by 1.

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