一个长方形菜地，长为18米，宽是15米．用菜地的种萝卜，萝卜种了多少平方米？
直接写出得数．========
口算． 4.2÷=×3=÷5=（+）×72=×12=×1.8=÷=
========
直接写出得出． 20×=÷=×=+=÷6=×12=+= 6÷=﹣=×=×= 0÷=
直接写出得数． 6×=÷7=÷= 4×1=×=÷=÷5= 5×=﹣=+0.5= 1÷1= 1÷1=
种萝卜，萝卜种了多少平方米？
=
=
=
=
=
=
=
=
=
×3=
÷5=（
+
）×72=
×12=
÷
=
=
=
=
=
=
=
=
=
÷
=
×
=
+
=
÷6=
+
= 6÷
=
﹣
=
×
=
×
= 0÷
=
=
÷7=
÷
= 4×1
=
×
=
÷
=
÷5= 5×
=
﹣
=
+0.5= 1
÷1= 1÷1
=
粤公网安备 44130202000953号