1.45+15×6= 1352.250÷5×8=4003 .6×5÷2×4=604.30×3+8=985 .400÷4+20×5= 2006.10+12÷3+20=347.(80÷20+80)÷4=218.70+(100-10×5)=1209.360÷40= 910.40×20= 80011 .80-25= 5512.70+45=11513.90×2= 18014....