直接写出得数．
83﹣57= 1﹣0.74= 0.24×50= 178.5﹣36.5﹣63.5=
1÷
= 
﹣
= 6
﹣0.25= 1.25×3×8=
6.4×= 
+
= 2.6÷0.4= 18×（
﹣
）=
÷
= 4.5×0= 81÷
= 8×
÷8×=
相关试题
﹣
= 1﹣
=
+
=
﹣
=
+
=
+7=
=
﹣0.9=
﹣
=
+
=
﹣1=
+
+
=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=
=
=
=
=
=
=
=
=
﹣
﹣
=
﹣
﹣
=
+
﹣
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