求空白部分的面积.
直接写得数．= = = = = == = = = = =
直接写得数．×= ×12= ×=÷= ÷= 9×=÷═ ÷12=
直接写得数．= = =3.2÷40%= = == =
直接写出得数．×= ﹣= 0÷=5÷= 70×=
计算0.62= ×= 4×60%= 0×=÷2= 10÷= ×3.6= 0.875÷0.125=
= 
= 
= 
= 
= 
=
= 
= 
= 
= 
= 
=
×
= 
×12= 
×
=
÷
= 
÷
= 9×
=
÷
═ 
÷12=
= 
= 
=
= 
=
= 
=
×
= 
﹣
= 0÷
=
= 70×
=
×
= 4×60%= 0×
=
÷2= 10÷
= 
×3.6= 0.875÷0.125=
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