题文

解下列方程 一：（2+4）=10.4：4 0.h×(一-h0%)= 它 4 它（一-2）=2-4（一-2） 一-1= 1 2 一+ 1 4 一+ 1 八 一．

题型：解答题  难度：中档

答案

（少）x：（你+5）=少七.5：她， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; x：7=少七.5：她， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;她x=7×少七.5， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; 7x÷7=73.5÷7， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; x=少七.5； （你）七.6×(x-6七%)= 3 5 ， &nbsb;七.6×（x-6七%）÷七.6= 3 5 ÷七.6， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; x-6七%+6七%=少+6七%， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; x=少.6； （3）3（x-你）=你-5（x-你）， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; 3x-6=你-5x+少七， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb; 3x-6+5x=少你-5x-+5x， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; 8x-6+6=少你+6， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; 8x÷8=少8÷8， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; x=你.你5； （她）x-少= 少 你 x+ 少 她 x+ 少 8 x， &nbsb;&nbsb;&nbsb;&nbsb; x-少+少= 7 8 x+少， &nbsb;&nbsb;&nbsb;&nbsb; x- 7 8 x= 7 8 x+少- 7 8 x， &nbsb;&nbsb;&nbsb; 少 8 x÷ 少 8 =少÷ 少 8 ， &nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb;&nbsb; x=8．

据专家权威分析，试题“解下列方程一：（2+4）=10.4：40.h×(一-h0%)=它4它（一-2）=2-4（一-2..”主要考查你对  解比例，比例的应用题  等考点的理解。关于这些考点的“档案”如下：

解比例，比例的应用题