1÷30.3 4.3×0.994.3÷0.99
8.58.5÷1.01 3.9×0.53.9÷2
6.84÷1.086.84 1.4×0.860.86 3.9×0.253.9÷4
3.6×0.83.6
27.5÷1.82.75÷0.18
4.3÷0.984.3
6.3÷0.56.3×2