选对一道得4分,选错一道扣2分,某同学做了全班15到题,得了36分设他选对了x道题,那么选错了( )道题;根据题意可列方程为( ).②x+3=2x+5、7x=2x+10【麻烦写出过程】3x-1的解为( )③由2x-1=0得到x=二分
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/01 23:02:11
![选对一道得4分,选错一道扣2分,某同学做了全班15到题,得了36分设他选对了x道题,那么选错了( )道题;根据题意可列方程为( ).②x+3=2x+5、7x=2x+10【麻烦写出过程】3x-1的解为( )③由2x-1=0得到x=二分](/uploads/image/z/2589519-39-9.jpg?t=%E9%80%89%E5%AF%B9%E4%B8%80%E9%81%93%E5%BE%974%E5%88%86%2C%E9%80%89%E9%94%99%E4%B8%80%E9%81%93%E6%89%A32%E5%88%86%2C%E6%9F%90%E5%90%8C%E5%AD%A6%E5%81%9A%E4%BA%86%E5%85%A8%E7%8F%AD15%E5%88%B0%E9%A2%98%2C%E5%BE%97%E4%BA%8636%E5%88%86%E8%AE%BE%E4%BB%96%E9%80%89%E5%AF%B9%E4%BA%86x%E9%81%93%E9%A2%98%2C%E9%82%A3%E4%B9%88%E9%80%89%E9%94%99%E4%BA%86%28+%29%E9%81%93%E9%A2%98%EF%BC%9B%E6%A0%B9%E6%8D%AE%E9%A2%98%E6%84%8F%E5%8F%AF%E5%88%97%E6%96%B9%E7%A8%8B%E4%B8%BA%28+%29.%E2%91%A1x%2B3%3D2x%2B5%E3%80%817x%3D2x%2B10%E3%80%90%E9%BA%BB%E7%83%A6%E5%86%99%E5%87%BA%E8%BF%87%E7%A8%8B%E3%80%913x-1%E7%9A%84%E8%A7%A3%E4%B8%BA%28+%29%E2%91%A2%E7%94%B12x-1%3D0%E5%BE%97%E5%88%B0x%3D%E4%BA%8C%E5%88%86)
xXRH~
X\P5t}Gئ3
؆%eûFO~3-2$6[K==0U*fiYevfZehna_4w*EV?bӛN'Dz'^,߫ʐ1~ڱ\:8Gfi͝ܘ4NݚvxwߔYZ;YpZ%nv3)CLwSwV߱#`sfwR*xo
T# +aop:E:#CNX2uZn5n"{gg Iy]x2}CȿnoRevϗ6)t{32_eb hMнZJdլߴ6A*x d8XcöN{^f+ѭ7j;dڰ:?wּ=#`ӄ艠ZJ}1H&qWS?|N.CMEU]1#B.Hrc@+䞪
|JWw5?;N:+~ԊݠWJKPEx_28
EțsB^WM
&P
XQ`/b=ep6Mo}D@ʔ">3@8J
*͝NI|]JDuI'SQqϴ!+7
(piP-$sWC!{{sSNj5ڥTa"eUօ\G1Tom3rSLrʷȲvkE0# g3f_:^X>B#} l8uw d:KpPip\{U^lͳ;^*/arsK}ƻF]#H?e{?GU*9~PD? {IoeY""Nhtr*ݖS ǩZ6z\ 9m7~/
͔PQnQ^.k&6TА
V8mb)@fђ(1NQ87B+VW;>Yf`q~,|< :"\Ց>TQZwp2D*)w8Eu^MbA~[*/|i~C\CFjĨ#8џ=a%ѿ{DcE^"%im0((!/ڤ#G
]t/}qŁw#ާ JFG6SkPWz75FcߜFyЩܭ3٢錡hڢ>m$Z9V
Ɉ0wW> ̊Q@!khw-'9$2"@ N=͕Y&&eurIKDC$E0)I4[>\йi0MfG\EbV]Fj*An<