数学难题!!!解方程
0.3-30x/0.3-6.5=3(5-2x)/0.05-11/2
参考答案:0.3-30x/0.3-6.5=3(5-2x)/0.05-11/2
0.3-100x-6.5=60[5-2x]-5.5
0.3-100x-6.5=300-120x-5.5
-100x+120x=300.7
20x=300.7
x=15.035
0.3-30x/0.3-6.5=3(5-2x)/0.05-11/2
参考答案:0.3-30x/0.3-6.5=3(5-2x)/0.05-11/2
0.3-100x-6.5=60[5-2x]-5.5
0.3-100x-6.5=300-120x-5.5
-100x+120x=300.7
20x=300.7
x=15.035