11.9÷3.4= 7.0÷1.9= 2.3÷0.8= 2.3÷0.6= 1.2÷3.9=
0.3÷0.1= 7.2÷3.0= 5.2÷1.2= 1.8÷0.4= 2.7÷0.8= 2.5÷0.6=
7.6÷3.8= 8.4÷4.2= 12.2÷3.4= 1.1÷2.8= 3.7÷1.7= 2.2÷0.6=
16.8÷4.2= 0.3÷0.6= 2.5÷2.5= 0.2÷2.4= 18.5÷4.3= 1.6÷3.2=
7.2÷3.6= 0.2÷0.8= 1.1÷1.8= 0.4÷0.3= 1.9÷3.8= 0.4÷0.5=
1.6×1.0= 0.6×1.3= 4.4×2.8= 4.9×3.3= 3.7×0.5= 3.2×3.3=
3.4×2.6= 0.8×4.7= 4.3×1.7= 2.5×1.7= 4.1×3.6= 3.0×4.4=
认真学习
很简单,要细心