用简便方法计算1.25*4*2.5.0.89.06*9+9.0625*1.68.98*1011.25*
.3.69+3.69*994.52*9.9+0.4520.125*32*32*0.2519.8*4-9.8*4*1.250.25*1.5*403.6*5.8-36*0.08