怎么解方程40⼀300x减去x⼀5000=0.3?

2025-06-22 05:53:25
推荐回答(2个)
回答1:

40/300x-x/5000=0.3
解:2/15x-1/5000x=0.3
2000/15000x-3/15000x=0.3
1997/15000x=0.3
x=0.3÷1997/15000
x=4500/1997

回答2:

40/300x-x/5000=0.3
2/15x-x/5000=0.3
2000x/15000-3x/15000=0.3
1997x/15000=0.3
1997x=4500
x=4500/1997