相关试题
直接写得数．
2/5﹣1/10= 16÷2/7= 1/2÷3/5= 1/7×1/7= 1/4×2/5=
5/6﹣1/2= 2/7×0+9= 3/5×1/21= 2/7×21= 14/17÷7=
1÷5﹣1/5= 4/7+4/7×6= （1/8+4/8）×4/5= 6×5÷1/2= 1/9÷1/3=
5/9×1/5÷5/9×1/5=
= 
= 
= 
= 
=
= 
= 
= 
= 
=
= 
= 
= 
= 1﹣1%=
×12= 
÷
= 
×
÷
÷1= 
﹣
=
+
= 20÷
= 
×21= 
÷
= 2÷10%= 16×25%=
= 5.6÷0.08= 
÷
= 36×10%= 
=
×9×
= 
﹣0÷
+1= 1÷
﹣
小时：120分= 7﹣7÷8=
﹣2.7= 14×
= 
÷5=
= 
= 
=
= 
﹣
= 
=
= 
= 
=
= 24
= 
=
= 
= 
= 
= 
=
= 
= 
=
= 
= 
=
= 
= 
=
﹣
= 
+0.5=
= 10.01÷10%=
= 
80%= 1×9
=
=
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