口算．
| 3×50= |
480÷8= |
258﹣18= |
106+7= |
| 102×6= |
34÷2= |
45÷3= |
0÷8= |
 ﹣ = |
 + = |
 ﹣ = |
 + = |
相关试题
直接写得数
1﹣0.95= 0.36+2.4= 8×30%= 2.1÷70%= 9.9+0.1÷0.1=
+
= 
×6%= 12×（
+﹣）= 0.25×1.92×0.4= 12π=
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