一、解方程。125% 28 (140%) 98 120% 120% 44180% 1240 20% 16 30% 65 1 36560% 2540 125% 2 30%9.243721425% 2.8 (160%) 0.32 125% 44 140% 0.715% 42.5 78% 4584 12% 24 16545% 13% 11.6 (130%) 14 25% 50 2520% 1530% 3.715.7 90% 85% 145 50% 70210 60% 9040% 35% 150 7240% 30 20% 555 60% 8