口算．
2.5×0.4= 1.5×2= 0.7×7= 7.3+0.3=
0.53﹣0.3= 1.8×0.5= 0.9×0.01= 0.23×3=
0.56÷8= 1.23×3= 1.6÷0.04= 7.3+2.7=
2﹣1.2= 7.8÷6= 8.4÷0.21= 8.4÷0.7=
相关试题
口算．
2.5×0.4= 1.5×2= 0.7×7= 7.3+0.3=
0.53﹣0.3= 1.8×0.5= 0.9×0.01= 0.23×3=
0.56÷8= 1.23×3= 1.6÷0.04= 7.3+2.7=
2﹣1.2= 7.8÷6= 8.4÷0.21= 8.4÷0.7=
×7+
×99+
．
+
﹣
②1
﹣
﹣
+
③
﹣（
+
）
﹣
⑤
﹣（
﹣
）⑥
+1
+0.4﹣
+
）×29×23= ，
÷7+
×
= ，
= ．
÷0.2×
+（
）÷
﹣（
﹣
）]÷
．
720÷（8+4.5）÷8．
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