4.8+2.3=5.6÷7=30×(200+3)=4.7+6.2=

　　8.5÷5=24÷4+56÷4=3.7–0.07=27÷0.01=

　　4.6–4.6÷4.6=0.62+0.38=1.25×4=0.45÷0.09×5=

　　3.72+2.28=5.2×0=8.7–1.9–3.1=1.73+3.2=

　　8.7÷0.29=45÷0.5÷2=10.3+5.2=÷0.8=

　　1.5+4.2+0.5=1.03–0.9=1.12×100=(5.25–4)×8=

　　12.4+0.37=0.04×25=0.8+0.2–0.8+0.2=4.83–2.53=

　　1.25×0.8=4×3.7×0.25=1.7–0.9=3.6+4=

　　3.82+2.5+6.18=0.29–0.18=1–0.02=21.6–3.8–7.2=

　　6+7.8=3.9–2.8=4.9+0.1–4.9+0.1=1–0.62=

　　7÷0.5=3.6×0.2×1=2.73–0.63=1÷4=

　　7.5×5.3÷5.3=4–0.9=6.3×101=25×8×125×4=

　　0.9×6=0.1×0.01=0.7×16–16×0.3=28.6÷1000=

　　1.8÷0.9=1.7×25×4=1.4×0.2=5÷2.5=

　　2.7–1.8–0.2=2.4÷0.6=0.36÷3=1.8×6–1.8=

　　4.2÷0.3=10–4.3=2.8×9+2.8=60×0.05=

　　1.7×3=0.32×0.2×5=7×0.08=2.8÷0.04=

　　10–0.8×10=1.6×5=0.37×20=4.8÷0.6+4.8÷0.4=

　　4.5×0.2=4.5+0.55=8.5–0.24–1.76=0.81÷0.9=

　　6.8–0.08=9×1.25×8=0.25×28=0.72÷0.12=