看谁算得快．
×
= 
÷
= 
×8= 
+
=
18×2%= 1﹣= 3.5÷18= 137﹣63﹣37=
205﹣199+95= 8.8+1.2= 8π≈ 0.33=
看谁算得快．×= ÷= ×8= +=
18×2%= 1﹣= 3.5÷18= 137﹣63﹣37=
205﹣199+95= 8.8+1.2= 8π≈ 0.33=
试题篮
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