一元一次解方程计算题汇1

1、1 一、解方程（等式的性质）20分 x 2 3 x 11x 64 2x 100 9x x 7 8x 9x 3 4x 3x 1.3x 5x 2.7x 12 3 6 4 2x 1 - x 3 x 1 2x 5 5 3x 5 3x 8x 1 7x 3 2x x 3x 1.2 4.8 5x 3x 7 4x 6x 2 2x x 3 1.5 2x 0.5x 0.7 6.5 1.3x 4x 6x 0.5x 0.3 x 6 - x 3 5 3 2 x 2 3 / x x x x x 1 2 4 8 16 二、解方程（去括号） 2（x 1） 4 10(x 1) 5 (x 3) 5x 9 3(x 2) 1 x (

2、2x 1) 5(x 2) 2(5x 1) 30分 2 2(x 1) (x 2) 3(4 x) 4x 3 2(x 1) 1 (x 1) 2(x 1) 1 3x 2(x 2) 6(4x 1) 3(1 x) 4(x 2) 3(5x 1) 9(1 x) 1 2(2x 3) 3(2x 1) (x 1) 2(x 1) 1 3x 2(x 2) (x 3) 2(x 4) 2x 7 (x 1) 2x (5x 16) 3 2(3x 4) 3(x 2) 1 4x (2x 1) 4x 2(x 2) 12 (x 4) 2(x 2) 3(4x 1) 9(1 x) 2( y 2) 3(4y 1) 9(1 y) 4x 3(2

3、0 x) 6x 7(9 x) 234(5x 1) 8 20 7 1 x 2x 3(x 4) 5 32x x 8(x 4) 2 1 1 2 x 2(x 1) 1) 2x 1 1 x (x 1) 2 2 1) 4x 3(20 x) 6x 7(9 x) 3 1111 x 1 2 3 4 5 三、解方程（去分母）50分 -(-x 1) 1 2 2 1 %x 4) 2x 1 7 (3x 1) 1x 1(3 2x) 1 5 2 2 -x 4 3 |x+5|=5 】(3x 6) -x 3 6 5 2x 2x 1 1 3 6 5y 1 7 6 3 2x 1 10 x 1 2x 1 , 1 3 6 4 x 10

4、 x 6 3 4 0.1x 0.2x 1 0.3x 1 0.5 0.2 5 3x 3 5x 2 3 x 1 x 1 4 x 3 0.2 2x 5 0.3 1.6 5x 1 4 3x 1 2 x 2x 1 4 5x 1 6 9x 1 1 x 8 3 3x 2 A 2x 1 2x 1 1 - 2 4 5 5 3x 2x 1 2 口口 心 3 0 5 10 3 x XJ 2 x_2 2(x 2) 5(x 3) 1 9x 2 x - 2 6 1.8 & 1.3 3x 5x 04 0 1.2 2 Q3 7x 1 4 4x 1 5x 5 3 6 x 4 x - 3 2 5 3x 2x 1 3 0.8 9x 1.3 3x 5x 1 1.2 0.2 0.3 4 5 x 4 5x 10 0 x 2 x 2 3x 2 2 4 6 0.1x 0.27 x 0.18 1 0.2 0.04 0.1 8x 11 Tx 3y 1 y x 5x 11 2 6 2x 4 1 3 x 4 x 3 2.5 0.2 0.05 x 3000 x 6 4 1