Plane crash: Take a classmate to parachute into a mercenary

Lin Chongyang and his classmates traveled abroad, encountered a plane crash, were forced to parachute, and accidentally jumped into the battlefield and landed an AK.At first, the big guys were panicking, whining and crying for help to go home.Later, in the rain of bullets, the students talked and laughed:“Hello? Mom, what kind of gunshot, I and my classmates put off a cannon fight, don’t say I hung up first, sign for a Dongfeng express…”“The intersection point of the parabola and the x-axis is (x1,0), (x2,0), and the intersection of the parabola can be set to y=a(x-x1)(x-x2)…”“Students, I have calculated the best parabolic point!”“Big brother, I asked you to make body armor, what’s going on with this mecha?”“Be careful, there is a sniper in the direction of 13 o’clock, I wipe, it’s the squad deputy, how did he run to the opposite side?”“Wait, who do you see on the battlefield delivering food? Sports Commissioner! ”[Learn mathematics, physics and chemistry well, and you are not afraid to go all over the world! ] 【War:Feilu Novel Network exclusive signed novel: “Plane Crash: Taking a Classmate to Skydive into a Mercenary”; This novel and characters are purely fictional, if there are similarities, they are purely coincidental and should not be imitated.