口算．
63÷3= 69÷3= 5×50= 86÷2=
10000﹣3000= 5700﹣5000= 13×3= 79+8=
90﹣32= 21×4= 36÷3= 70÷7=
85﹣68= 66÷2= 20+75= 39÷3=
相关试题
口算．
63÷3= 69÷3= 5×50= 86÷2=
10000﹣3000= 5700﹣5000= 13×3= 79+8=
90﹣32= 21×4= 36÷3= 70÷7=
85﹣68= 66÷2= 20+75= 39÷3=
=
+1÷3= 6×
=
×
= 500×3%=
×8=
÷2=
÷
=
×
=
×
= 1÷
=
÷60%=
×15=
﹣
×
=
×30= 2÷
÷
=
﹣
=
÷
=
×
×
=
+12.5%=
÷
=
=
÷6=
×16=
÷
= 1÷
=
×
=
÷
= 20×
÷
=
﹣
=
= 60×20%=
÷26=
+
= 1﹣3%=
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