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1、分数解方程练习题一x x= 2x + = 0.7x+ 0.2x = 3.6 x×=20× 0.25 + 10x = 5x3×x 0.15x = 68 xx121 x÷12 6x5 =13.4 x + x = 4 4x3 ×9 = 29 xx= 4x6×=2 ÷x = x = × x÷ =÷ 分数解方程练习题二班级 姓名 成绩x×+=4× XX12 5 X2.4×580.36×5- x = (x- 4.5) = 7 x- 0.25x = 10x- 0.8x
2、= 16+6 20 x 8.5= 1.5 x- x -4= 21 XX=90 XX= +X = 3X1.4×2=1.1 X+= 分数解方程练习题三班级 姓名 成绩X X= 2X + = 70%X + 20%X = 3.6X×=20× 25% + 10X = X - 15%X = 68XX121 5X3× X÷126X5 =13.4 3X=X÷= XX= 4X6×=2分数解方程练习题四班级 姓名 成绩 ÷X= X = X = × X÷ =× 4x3 ×9 = 29 x + x
3、= 4X21×=4 6X5 =13.4 X-X= 46385X= X= X÷=分数解方程练习题五班级 姓名 成绩X÷=12 X= X=×X÷=÷ X-0.25= =30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 = X+X=18 X×( + )= x0.375x= 分数解方程练习题六班级 姓名 成绩X X= 2X + = 0.7X + 0.2X = 3.6X×=20× + 10X = X - X = 68 XX121 5X3× X÷12
4、6X5 =13.4 x + x = 44x3 ×9 = 29 XX= 4X6×=2÷X= X = × X÷ =× X+= 2X = 分数解方程练习题七班级 姓名 成绩X+ = 0.8x+16=96 .3xx 5.5x3x = 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 11 / 11