5(x+3.6)=20.5

5(x+3.6)=20.5 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. 方程：5.6x-5x=3.6 (X-12.4)/3=(X+3.6)/5 3.6x-(5+x)=21 5x-1/2x=3.6 四道方程：2x+6=5x 6x-28=2x 8(x-3.6)=0.8x 15x-110+7x=110 1)7.6X-3.6X(6X-5)=4,求X 2)5X-2X(X-4)=11,求X 小学六年级下册数学解方程.. 要详细的.. 还要过程 都写下来...2x+3x=60 3.6x-2.8x=12 100x-x=198 18x+2x+60 5x+6x=12.1 6.6x-5x=8 4x-x=24 1.5x-x=1 1.9x+0.4x=9.2 4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119=361 x+5=2x 3x+9=6x 4x-28=2x 2x+18=7x 5x=25*4-15x 7x-x+2*3=29.4 (28.8+5.5x+3.2）除2=71 x-三分之一x-四分之一x(x-三分之一x)=5 4.5+x=6.2 x-3.8=6.6 4x=1 5x+7=42 2(x-5)=5.8 3.6x-x=5.8 x-x÷5＝244 x-13＝96-x+13 12x＝10(x+20) 3.6x÷2=7.2×2x-x÷5＝244x-13＝96-x+1312x＝10(x+20)3.6x÷2=7.2×2x÷3-x÷4＝5这些题方程怎么解, 5x+7=42 x÷4.2=2 3.6x-x=3.25 2（x-5x+7=42 x÷4.2=2 3.6x-x=3.25 2（x-3）=5.8.解方程 x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 8x-5.5x=7.57.2x÷3.6=2 3x＋6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x＋x=1.8 3.2x＋1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x＋6x=4.5 18x-12x=5.42x-1.6x=3.6 18x＋3x=7×6 1.2x-0.5x=0.71.3x＋2.7x=1 4x-3.2x=6.4 0.8x＋3.2x＋3x=562.8x-2x=7.2 5x+7=42 x/4.2=2 3.6x-x=3.25 2（x-3)=58 3x+0.5x=4.2 4x-2.16=1.2 x-0.2x=16 2x-4x[这个x是乘】2.5=3.6 3x+5x=168 怎么解