8.1÷0.9= 7.2÷4= 1.25×8= + =
4.3×0.7= 2+ = 10+3.28×0= 3.2×1.2÷3.2×1.2=
+ = - = + = 1- =
- = + = - = + =
0.6×0.8= 3.5-2.6= -= 2.4÷0.08= 1-0.6+0.4=
2.4×0.5= += 40÷160= 0.5×0.18= 5×0.6÷5×0.6=
1.2+1.2+0.01= 1- 0.25×4= 7.2+1.5-2.8=
0.2÷0.2÷2= 0.125×0.8+0.01= 0.1÷0.1-0.1×0.1=
5.6+4= 1.2×0.7= 8.2-8.2÷2=
3.8÷0.1= 17.3-2.2-7.8= 3.6×0.4÷3.6×0.4=
2.4×5= 0.3+0.3×0.3= 0.25×0.7×4 =