Closed Secrets of Mental Math

[Odlanyer22]

Secrets of Mental Math
(The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks)


Description:
Quick: What's 25 × 45? How about 742 × 300? Or 4821 ÷ 9?
Most of us, when faced with math problems like these, immediately reach for a calculator or a pen. But imagine if you could perform these and other seemingly difficult—but surprisingly easy—calculations right in your head. Seems like an impossible feat? It's not.

 

[jason888]

thanks po dito sir...^_^

 

[Odlanyer22]

thanks po dito sir...^_^

Welcome po! Enjoy!

 

[macace]

thanks dito sir masubukan ko pong e read

 

[macace]

thanks dito sir masubukan ko pong e read

 

[Odlanyer22]

thanks dito sir masubukan ko pong e read

Mag-eenjoy ka pa dyan sir for sure!

 

[macace]

thanks dito sir masubukan ko pong e read

 

[Kroz]

PA basa nga po ako nito

 

[daniel job Toribio]

aus 2 !! thank you po!!!

 

[jamesly]

pbasa nga nito boss

 

[aerisrap]

pa tingin nga idol. thanks dito

 

[ellemar]

pa download ako boss. thanks.. maeenjoy ko to

 

[Geronimo Guerrero]

Thank you for sharing this...

baka mas matuto ako ng math by reading this ebook

 

[CFFF F]

pa try sir thanks

 

[arman coronel]

Pabasa din ako bos salamat....

 

[carloskei]

pa try po!!!!!!!!!!!!!!!!!!!!!!!

 

[yuyuu02]

Sir thanks po sa share

 

[jeffeinjehl]

para sa anak ko to...salamat boss

 

[abie santos]

thanks dito magiging mathematician na ko

 

[munarapimleojay]

thanks bossing........