
2,. 11χ²-22x+11=0
3.-88 χ² +11x-18=0
4.--4 χ² -22x+32=0
5.--11 χ² +17x+16=0
::-webkit-scrollbar { height: 12px; width: 15px; background: #febeba; } ::-webkit-scrollbar-thumb { background: #00BFFF; -Moz-border-radius-bottomRight: 50px; border-bottom-right-radius: 50px; -Moz-border-radius-topLeft: 50px; border-top-left-radius: 50px; } [COCO TEEN BLOG]
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