直接写出得数．
240÷6= 60×50= 270÷9= 11×80=
21×80= 900÷3= 550×0= 2500÷5=
5.3+2.6= 9.8﹣7.6= 320÷4= 70×13=
相关试题
口算下面各题．
+
=
﹣
=
+
=
﹣
= 6.4+2.3= 7.3﹣0.4=
1.1+2.8= 707÷7= 360÷3= 93÷3= 40×25= 720÷4=
80﹣25= 36×0=
= 12﹣12×0.1=
﹣
= 0.3+
= 1.66÷2=
+
= 7﹣
= 23+52=
﹣0.75= 50×25×1.2=
=
=
=
=
=
=
=
=
﹣
﹣
=
﹣
﹣
=
+
﹣
=
= ②
= ③
= ④
= ⑤
=
= ⑦
= ⑧0.52= ⑨
= ⑩1+2÷3=
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