
Step 3: End up the tens addition, which is 57 + 70 = 137.Step 2: Split the 2nd number into tens & units, making it 79 = 70 + 9.Trick 5: Adding 2-Digit Numbers at Extremely Fast Lightning Speedīy understanding the basic principles of tens & units places, you can add two-digit numbers literally in a snap. Step 6: Add 9 to the result in step 5.(25+9=34).Step 5: Multiply by the result with 10.(2.5 x 10 =25).Step 1: Take the year your was born, let’s say 1985.

Step 6: Subtract your original number from this answer.Step 1: Think of a number, such as 279.Yet another trick that makes you turn to the number 15 no matter what number you choose. Trick 3: And the answer will always be 15 Step 5: Now change the order of digits of the answer to getting the number, 693.Step 4: Subtract the 2nd from the 1st, which will give us the answer, 753 – 357 = 396.Step 3: Replace or rearrange the same digits in the ascending order, 357.Step 2: Now the digits require to be ordered in descending order, 753.Step 3: Divide the original number with this sum.

