+1
= 
×24= 
+
= 3×
﹣
= 
﹣
= 476×3≈ 412÷7≈相关试题
﹣
=
+
=
﹣
=直接写得数：
500×4=
+
= 1﹣
=
+= 101×2=
85﹣7= 389+470= 16×2= 1000×0= 300×4=
6×8+8= 24+46= 4500﹣1600= 72÷8= 103×5=
口算大比拼
5×0= 510×7= 1﹣
= 0+0= 297×5≈
= 3000×2= 88×8=
= 400×3=
26÷5=
= 2×6+3= 875+25= 5+5×6=
直接写出得数．
12×0= 200﹣174= 81÷9= 800﹣610=
400×2= 38×4≈ 295×8≈
﹣
=
500×2= 400×5= 7×30= 28÷7=
40÷5= 53+7= 28÷4= 49+6=
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=
﹣
=
+
=
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