初等数学并不能严格定义自然数、整数、有理数、实数等,可为什么能用初等数学方法证明根号 2 是无理数? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseMotor, Sailboat, Pepperoni, Squirrel, Zenith, Lungs, Moonshine, Bounce castle, Cherry picker, Bedroom, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

Donara Smbatyan
sketch #1504 donara


anonymous
anonymous
sketch #5101


anonymous
anonymous
sketch #5079 SketchToy Pencil by Sarah Prieto


anonymous
anonymous
sketch #2939 Eye by Kimmy Kitty Perry Priemus


anonymous
anonymous
sketch #1153 sahib


anonymous
anonymous
sketch #4874 Milla Jovovich by Kimmy Kitty Perry Priemus


anonymous
anonymous
sketch #5268 Harley Quinn by 조바다


anonymous
anonymous
sketch #5135 &#;Hypno Colorfull&#; by Lars Tunebo


anonymous
anonymous
sketch #5197 Rihanna by Ben Hall


Rachel Roe
sketch #25 Suzzy the stegosaurus


anonymous
anonymous
sketch #5202 The Woman by Céline Chalois


Helyryn
sketch #297 Fish


sketchmaster
sketch #2459 funky afro


anonymous
anonymous
sketch #4975 Orange by Marcos Roberto Molina


anonymous
anonymous
sketch #5351


anonymous
anonymous
sketch #5067


sketchmaster
sketch #2434 Metallica


anonymous
anonymous
sketch #3688


anonymous
anonymous
sketch #4698


Sam Torres
sketch #2806 Puppy love by Sam Torres


Zorka Edding Giustinianovic
sketch #2852 Teddy Zorka Edding Giustinianovic


Rachel Roe
sketch #2644 Purple bun


anonymous
anonymous
sketch #1145


anonymous
anonymous
sketch #20690


Karim Tayyeby
sketch #2744 Burce Lee by Karim Tayyeby


Sam Torres
sketch #2723 by Sam Torres


anonymous
anonymous
sketch #4760


anonymous
anonymous
sketch #5221


anonymous
anonymous
sketch #5002 Jimi Hendrix by Piter Olimpo


anonymous
anonymous
sketch #5073 Broken Heart by Islam Mourad

tomski初等数学并不能严格定义自然数、整数、有理数、实数等,可为什么能用初等数学方法证明根号 2 是无理数? coloring