5.3÷0.995.3 2.4÷1002.4×0.01
4.9×0.674.9 0.8+0.80.8×0.8
3.5×0.1= 43÷0.1= 200×0.04= 12-1.2= 1.3×0.5=
0.42÷0.6= 6.3÷0.7= 0.21×0.3= 5.69÷0.5= 5.5÷11=