= 0÷
÷
=
+3= 134﹣34=
×
= 
÷
×
﹣
= 4×
=相关试题
=
×
= 3÷
÷0.5= 
=
=
+
=
﹣
= 
﹣
= 1.3×7+6.7×7= 
×5=
=
= 1÷0.25= 
﹣
= 
=口算
6×0.03= 1÷0.25= 8÷1.6=
1﹣0.3×0.6= 43÷0.01= 300×0.04=
14﹣1.4= 1.3×0.5= 0.42÷0.6=
7﹣1.4= 12﹣1.2= 2.5+2.5×3=
9÷0.01= 43÷0.1= 8.4÷4=
3.9﹣3.9÷3= 
+
= 2﹣
=
﹣
= 
+
+
=
口算
6×0.03= 1÷0.25= 8÷1.6=
1﹣0.3×0.6= 43÷0.01= 300×0.04=
14﹣1.4= 1.3×0.5= 0.42÷0.6=
7﹣1.4= 12﹣1.2= 2.5+2.5×3=
9÷0.01= 43÷0.1= 8.4÷4=
3.9﹣3.9÷3= += 2﹣=﹣= ++=
+
= 
×
= 
÷2= ； 
﹣
= ； 2.4×5= ； 0.72×
= ；
×9÷
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