If you learn this method f addition then very quickly you will be able to solve addition in Seconds...It us time efficient...
Vedic Math
Vedic Maths
Addition
Subtraction
Multiplication
Division
Shortcut Trick
Faster Calculation Trick
CBSE/ICSE
Competitive
Vedic Math
VEDIC MATH
VEDIC MATHS
vedic maths
MATHEMATICS
SHORTCUT MATHS
Vedic