直接写出得数
（1）
×6= ×3.5= 20÷= ÷20=
（2）÷3.5= 
÷
= ×= 
×
×0=
（3）10÷
= 1÷20%= 
×4×
= ×7÷×7=
（4）（
﹣
）×20= 
﹣×
= 
×
+
×
= ÷8÷=
直接写出得数
（1）×6= ×3.5= 20÷= ÷20=
（2）÷3.5= ÷= ×= ××0=
（3）10÷= 1÷20%= ×4×= ×7÷×7=
（4）（﹣）×20= ﹣×= ×+×= ÷8÷=
= 24÷
=
=
=
=
=
=
=
÷
= 0÷
=
﹣
= 12×（
×
×
=
÷
= 20÷
=
+
=
×90×
=
×12= 1÷
=
×
=
+
=
÷2=
=
×
=
÷
=
﹣
=
表示 ；
表示 ．
÷
=
×3= 6×
=
+
×7=
÷1=
÷7=
=
粤公网安备 44130202000953号