3.25×0.983.25 A÷0.97A(A≠0)
0.75÷0.50.75×2 10.3×1.0110.3
0.95÷1.9= 4÷0.4-0.4= 0.12×3÷0.06= 12÷1.2=
1.3×0.5÷1.3×0.5= 0.42÷0.6= 3.2a+4.8a= 7.8+0.02=