2.5×5=12.5, 10+0.4=10.4, 2.5×0.4=1, 7.1×0.2=1.42, 1÷0.1=10, 3.6÷0.4=9,
0.2×3.1=0.62, 4.4-1.1=3.3, 10+3.4=13.4, 1-0.87=0.13, 6.3×2=12.6, 1.25×80=100,
0.2×0.3=0.06, 4.8÷1.2=4, 2.5×0.4=1, 8×12.5=100, 7÷3.5=2, 36÷0.4=90.
2.5×5=12.5, 10+0.4=10.4, 2.5×0.4=1, 7.1×0.2=1.42, 1÷0.1=10, 3.6÷0.4=9,
0.2×3.1=0.62, 4.4-1.1=3.3, 10+3.4=13.4, 1-0.87=0.13, 6.3×2=12.6, 1.25×80=100,
0.2×0.3=0.06, 4.8÷1.2=4, 2.5×0.4=1, 8×12.5=100, 7÷3.5=2, 36÷0.4=90.