50.21×1.250.21 8.346÷2.148.346 9.8×5.960
1.3×0.2= 0.27+3= 3.8×0.2= 13.4×0+6.7=
3.6÷0.9= 19.2-8.6= 2.1×3= 5.6×99+5.6=