7.2÷4= 5.01-1.8= 3.29+0.2= 12÷0.8=
12.9÷0.3= 0.3×2= 1.05÷0.3= 0.32÷0.04=
0.99÷0.1=
1÷0.5=
13.5÷2.5×0=
0.1-0.01=
8y-7y=
0.2×5÷0.2×5=