(1)X/3-9X+1/3=1

问题描述:

(1)X/3-9X+1/3=1
(2)3X-1.5/0.2-0.2X-0.1/0.03=2.5
(3)1-3-5X/3=3X-5/2

(1)x/3-9x+1/3=1x-27x+1=3-26x=2x=-1/13(2)3X-1.5/0.2-0.2X-0.1/0.03=2.53x-15/2-x/5-10/3=5/290x-225-6x-100=7584x=75+225+10084x=400x=100/21(3)1-3-5X/3=3X-5/2-2-5x/3=3x-5/2-12-10x=18x-15-10x-18x=12-15-28x=-...