一、直接写出得数1.5×4= 5.8＋1.2= 45×0.2= 4.08÷8=0.54÷0.6= 3.1－2.9= 0.12÷3= 0.4×0.7=0.32×1000= 7÷100= 0.8＋0.02= 0.84÷0.3=3.68÷0.01= 9＋1.5= 0.4×0.5= 0.44＋0.6=2.5×0.4= 0.125×8= 3.6÷0.4=...