相关试题
+
= 
﹣
= 
×2= 
×
=
×
= 
÷4= 
÷
= 12×
=
÷42= 
×
= 
×14= 
÷4=
= 
﹣
=
= 3.48+6.52= 
×
= 
÷
= 0.8﹣
=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=
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%=
粤公网安备 44130202000953号