2022年分数解方程专项练习题.docx
精选学习资料 - - - - - - - - - 精品资料 欢迎下载分数解方程练习题(一)x2 7x=3 2 4x + 2 5 = 3 5 0.7x+ 0.2 x = 3.6x×x = 4 5 5x3×5 2153 =20×51 0.25 + 10 47x 0.15 x = 68 x3 x121 82 x÷31 12 46x5 =13.4 3 X 4131 x + 21 x = 4 6484x3 × 9 = 29 x7 x= 83 4 4x6×2 =2 312 5÷ x = 3 108 x = 91 ×616x÷6 = 3526 ÷45135125名师归纳总结 - - - - - - -第 1 页,共 7 页精选学习资料 - - - - - - - - - 精品资料 欢迎下载分数解方程练习题(二)班级3姓名成果5 X 2.4× 58 x×2 + 31 =4×23X3 X 12 780.36 × 5- 3 4 x = 1 2 x- 0.25x = 10 2 3 x- 4.5 = 7 5x- 0.8x = 16+6 20 x 8.5= 1.5 x- 4 5 x -4= 21 X 3 2 X=90 X 3 7 X= 85 +X = 1811123X 1.4× 2=1.1 5x21x4X+ 3 2 1 = 186333名师归纳总结 - - - - - - -第 2 页,共 7 页精选学习资料 - - - - - - - - - 精品资料 欢迎下载分数解方程练习题(三)X 2 7 X=班级姓名3成果32X + 2 5 = 70%X + 20%X = 3.6 54X×3 =20×51 25% + 10X = 4 X - 15%X = 68 54X3 X121 5X 83×5 2152 X÷31 12 476X5 =13.4 3 X 413 3X=3488X÷2 = 77X7 X= 834X6×2 =2 3164名师归纳总结 - - - - - - -第 3 页,共 7 页精选学习资料 - - - - - - - - - 精品资料 欢迎下载分数解方程练习题(四)12班级姓名成果÷ X=3 103 X = 525 728 X = 91 ×616551X÷6 = 3526 ×45134x3 × 9 = 29 1 x + 21 x = 4 6253 X21×102 =4 3x1 x 4202 x26.86X5 =13.4 5 X- 1 3 X= 3 104 638 5X= 15198 X= 4 X21 15÷4 = 51528名师归纳总结 - - - - - - -第 4 页,共 7 页精选学习资料 - - - - - - - - - 精品资料 欢迎下载分数解方程练习题(五)班级姓名1成果8 X= 91 ×6162 X ÷31 =12 43 X= 525 7251X ÷6 = 3526 ÷4513X-0.25=X =30% 42544+0.7X=102 2 X+ 31 X=42 X+ 21 X=105 4X-3 X=400 8X-0.125X=8 36 = X343 X+ 7 X=18 X× 1 6 + 3 8 =13x 0.375x=5126名师归纳总结 - - - - - - -第 5 页,共 7 页精选学习资料 - - - - - - - - - 精品资料 欢迎下载分数解方程练习题(六)X2 7 X=3班级姓名3 5成果0.7X + 0.2X = 3.6 2X + 2 5 = 4X×3 =20×511 4 + 10X = 4X - 3 20X = 68 45X3 X121 85X3×5 2152 X÷31 12 476X5 =13.4 3 X 4131 x + 21 x = 4 6484x3 ×9 = 29 X7 X= 834X6×2 =2 3412 5÷ X= 3 108 X = 91 ×616X÷6 = 3526 ×451351251x11x1X+ 3 21 = 182X1 = 9233名师归纳总结 - - - - - - -第 6 页,共 7 页精选学习资料 - - - - - - - - - 精品资料 欢迎下载分数解方程练习题(七)X+3 = 57班级姓名0 . 4成果5x21x45 0 %1 0 . 35x6333100.8x+16=96 .3xx5.5x 3x = 1.75 2x÷ 10 = 5.2 80÷ x20 1.2x0.8x28 2x0.1=3.7 1.6x3.4x27 1.7x0.3x7.8 x÷ 0.24100 0.7x0.9=7.2 1.3x2.4× 3=12.42 x+2.5=12.5 5 x-2=10.5 4 x+2.4 x=12.8 9 x÷ 4=1.8 6x751 813 x145x3010x84 x109x97 x75 x64x3169x63x5712 x63x574x5x514名师归纳总结 - - - - - - -第 7 页,共 7 页