24×5= 20÷80= 47+63= 475-370=
120÷60= 16×0= 47×2= 36-36×0=
180+270= 72-40= 40×25= 12×6÷8=
410-20= 270+500= 320÷40= 81÷3×3=
0÷500= 15×30= 5.02÷10= 100-100÷25=
0.14×100= 0.9+0.52= 1÷100= 5.41-4.1=
0.3×0.2= 17×0.01= 0.12×0.7= 80÷1000=
125×8= 0.6-0.47= 185+15= 0.64+0.36=
59-19= 0.75×100= 5.6÷100×0= 1-0.99=
58-58= 360÷36= 0.3÷10= 120×6=
1时15分=时
62+48=