Y=100+0.75(Y-60)+50+70=100+0.75☆-45+120...
Y=C+I+G
C=100+0.75Yd
I=50
G=70
Yd=Y-T
T=60
Y=100+0.75Yd+50+70
Y=100+0.75(Y-T)+50+70
Y=100+0.75(Y-60)+50+70
0.25Y=175
Y=700
35 當 Y = C + I + G,C = 100 + 0.75YD,I = ..-阿摩線上測驗