7.2÷0.8= 88.2÷2= 45.5÷0.9=
66.6÷=3.2= 54.12÷0.6= 4.99÷0.3=
99.9÷3.3= 81.9÷0.9= 32.8÷4.4=
111.1÷11.1= 9.9÷0.3= 36.3÷0.03=
……
1.13.8/6.9
2.28.8/1.44
3.0.8/0.16
4.9.9/0.3
5.88.88/0.11
1、8.6/5.5
2、100.87/7.6
3、3.4/0.098
5.21/2.1= 5.55/1.1= 2.2/1.1= 8.88/1.11=
3.67-0.53+5.81=
456.25-4.23-2.15=
4.98+89.89-89=