Remember that the total amount of loans raised at the end of 2002 is Z; I remember that the deposit balances in 2003, 2004 and 2005 were x 1, x2 and x3 respectively. Remember that the investment in buying A, B and C bonds is y 1, y2 and y3 respectively. (Unit: 10,000 yuan)
minZ=z？
In 2003, the deposit was 6.5438+0.704 million yuan; In 2004, the deposit was 7,265,438 yuan+0,000 yuan; Purchase bonds of 600,000 yuan; Buy 900 thousand yuan b bond; 0.2 million/200 thousand to buy c debt