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0:00:44

How to square a two digit number faster without using a calculator under three seconds.

0:00:24

How to add mixed fractions faster within 3 seconds

0:00:39

How to add mixed fractions faster within 3 seconds

0:00:26

Multiplication trick

0:01:53

how to find the quadratic equation whose roots are given

0:00:59

How to subtract numbers without borrowing

0:00:00

arithmetic progression

0:00:00

how to subtract numbers without borrowing

0:00:38

How to add mixed fractions faster in 3 seconds

0:02:35

harder exponential equation, well explained.

0:02:26

image of a function

0:04:29

simultaneous equations

0:04:01

implicit differentiation

0:02:55

plane geometry.

0:00:30

How to multiply a three-digit number by 11 faster without using a calculator

0:03:19

logarithmic equation.

0:03:12

exponential equation

0:00:29

How to add mixed fractions faster without using a calculator

0:04:16

exponential equation well explained

0:03:50

quadratic equation

0:05:25

geometric progression

0:02:32

logarithmic equation

0:00:49

How to subtract numbers without borrowing.

0:03:16

plane geometry:how to find the unknown angles between two parallel lines