陪你考證的初級班主任 追問

2022-04-18 14:24

還沒看完嗎老師

朱立老師 解答

2022-04-18 14:38

十分抱歉 有事耽擱了
1=3200/40000=0.08
2=5100/10000=0.51
3=0.08*5000=400
4=0.51*1000=510
5=3200+510-400=3310
6=5100+400-510=4990
7=3310/(40000-5000)=0.0945714285714
8=4990/(10000-1000)=0.554444444444
9=0.0946*13000=1229.8
10=0.0946*10000=946
11=0.0946*8000=756.8
12=0.5544*7500=4158
13=0.0946*4000=378.4
14=0.5544*1500=831.6