心算．
2.3+2.2= 5.62﹣2.02= 0.25+1.8=
9.5﹣1.3= 1.3﹣0.8= 3.5﹣0.5=
1.95÷3.05= 2.3+1.6= 5.31﹣2.01=
相关试题
+
+
=
﹣
=
=
+
=
+
=直接写得数
| 400÷2= |
5000÷5= |
75×10= |
60×30= |
11.4+68= |
| 70﹣63.4= |
0×360= |
0÷84= |
3.6+2.1= |
200÷4= |
粤公网安备 44130202000953号