一、初三了，我们班课堂纪律特差，尤其是上数学，太能说了，老师代的挺好的，但终究年轻，不知道怎么整理纪律
只能说是老师年轻。不懂管理，只要保证自己能学就行，不会去办公室，
二、三年级上册数学竖式计算10道
83×7= 340×5= 508×5= 405×4=
217×6= 750×4= 37×9= 302×8=
95×3= 66×7=
三、初三数学上册一元二次方程试卷
初三数学上册第二单元试卷：一元二次方程练习题
1)x^2-9x+8=0
答案：x1=8 x2=1
(2)x^2+6x-27=0
答案：x1=3 x2=-9
(3)x^2-2x-80=0
答案：x1=-8 x2=10
(4)x^2+10x-200=0
答案：x1=-20 x2=10
(5)x^2-20x+96=0
答案：x1=12 x2=8
(6)x^2+23x+76=0
答案：x1=-19 x2=-4
(7)x^2-25x+154=0
答案：x1=14 x2=11
(8)x^2-12x-108=0
答案：x1=-6 x2=18
(9)x^2+4x-252=0
答案：x1=14 x2=-18
(10)x^2-11x-102=0
答案：x1=17 x2=-6
(11)x^2+15x-54=0
答案：x1=-18 x2=3
(12)x^2+11x+18=0
答案：x1=-2 x2=-9
(13)x^2-9x+20=0
答案：x1=4 x2=5
(14)x^2+19x+90=0
答案：x1=-10 x2=-9
这些题挺好，够吗？还行吗？
四、初三数学上册一元二次方程要40道带解的！！！
1)x^2-9x+8=0 答案：x1=8 x2=1 (2)x^2+6x-27=0 答案：x1=3 x2=-9 (3)x^2-2x-80=0 答案：x1=-8 x2=10 (4)x^2+10x-200=0 答案：x1=-20 x2=10 (5)x^2-20x+96=0 答案：x1=12 x2=8 (6)x^2+23x+76=0 答案：x1=-19 x2=-4 (7)x^2-25x+154=0 答案：x1=14 x2=11 (8)x^2-12x-108=0 答案：x1=-6 x2=18 (9)x^2+4x-252=0 答案：x1=14 x2=-18 (10)x^2-11x-102=0 答案：x1=17 x2=-6 (11)x^2+15x-54=0 答案：x1=-18 x2=3 (12)x^2+11x+18=0 答案：x1=-2 x2=-9 (13)x^2-9x+20=0 答案：x1=4 x2=5 (14)x^2+19x+90=0 答案：x1=-10 x2=-9 (15)x^2-25x+156=0 答案：x1=13 x2=12 (16)x^2-22x+57=0 答案：x1=3 x2=19 (17)x^2-5x-176=0 答案：x1=16 x2=-11 (18)x^2-26x+133=0 答案：x1=7 x2=19 (19)x^2+10x-11=0 答案：x1=-11 x2=1 (20)x^2-3x-304=0 答案：x1=-16 x2=19 (21)x^2+13x-140=0 答案：x1=7 x2=-20 (22)x^2+13x-48=0 答案：x1=3 x2=-16 (23)x^2+5x-176=0 答案：x1=-16 x2=11 (24)x^2+28x+171=0 答案：x1=-9 x2=-19 (25)x^2+14x+45=0 答案：x1=-9 x2=-5 (26)x^2-9x-136=0 答案：x1=-8 x2=17 (27)x^2-15x-76=0 答案：x1=19 x2=-4 (28)x^2+23x+126=0 答案：x1=-9 x2=-14 (29)x^2+9x-70=0 答案：x1=-14 x2=5 (30)x^2-1x-56=0 答案：x1=8 x2=-7 (31)x^2+7x-60=0 答案：x1=5 x2=-12 (32)x^2+10x-39=0 答案：x1=-13 x2=3 (33)x^2+19x+34=0 答案：x1=-17 x2=-2 (34)x^2-6x-160=0 答案：x1=16 x2=-10 (35)x^2-6x-55=0 答案：x1=11 x2=-5 (36)x^2-7x-144=0 答案：x1=-9 x2=16 (37)x^2+20x+51=0 答案：x1=-3 x2=-17 (38)x^2-9x+14=0 答案：x1=2 x2=7 (39)x^2-29x+208=0 答案：x1=16 x2=13 (40)x^2+19x-20=0 答案：x1=-20 x2=1