题文
口算.
1
÷0.5= 1
﹣1
÷1
= 1.25×
×8=
×5.6=
÷5×
×5= 4
×0×4
= 120×(
+
)=
+0.29+
=
3
﹣
﹣
= (
﹣
)×20=
口算.
1
÷0.5= 1
﹣1
÷1
= 1.25×
×8=
×5.6=
÷5×
×5= 4
×0×4
= 120×(
+
)=
+0.29+
=
3
﹣
﹣
= (
﹣
)×20=
试题篮
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