口算：
0.4×0.02= 3.2+6.8= 0.39÷1.3= 2.4×2.5=
1÷0.125= 1﹣0.25= 0.62÷0.1= 99×0.25=
1.2×0.4+0.4×1.3= 4×（1.5+0.25）=
相关试题
口算：
0.4×0.02= 3.2+6.8= 0.39÷1.3= 2.4×2.5=
1÷0.125= 1﹣0.25= 0.62÷0.1= 99×0.25=
1.2×0.4+0.4×1.3= 4×（1.5+0.25）=
+
﹣
=
粤公网安备 44130202000953号