9－0.25= 8.751－0.98=0.120.048＋0.52= 0.5685×400= 200019.9+11.1=30 187÷1000= 0.1871+3.89=4.89 0.081×10=0.8175÷10= 7.50.96÷0.8= 1.20.8×7＝ 5.6
