1, r=a( 1-sinθ) It is said that this is the content of Descartes' last love letter, which contains an unforgettable secret.

2. (x2+y2)-16 * ABS (x) * y = 225 All my life, I just waited for someone who could draw this function for me. For aesthetic needs, our heart-shaped graphics are often like this.

3、? X2+(y+3√X2)2= 1 Draw a function image, which is a heart. Y= 1/X, X2+Y2=9, Y=│-2X│, X=-3│Sin Y│ draw function images, which are ILVE respectively. 128√e986, erase about half. If you don't, I love you.

Jiugongge digital confession: 96 24 64 confession password "I love you". 969426464 confession password "I miss you". 96 94 4826 64 Confess the password "I like you". 964269426464 confession password "I miss you so much".

Chemical formula: H (hydrogen) At (cymene) Tc (technetium) -dear. Gallium (gallium) osmium (osmium) palladium (palladium)-marry me. Mg+znso4 = Zn+mgso4-Your magnesium has taken away my zinc. Os (osmium) As (arsenic) At (arsenic) Ge (germanium) Nb (niobium)-I love you deeply. B, Ca, Al, Si, the serial number of the periodic table of elements is 5,20, 13, 14.