求阴影部分面积（单位：厘米）
直接写得数= = = = == = 60×60%= 2×32= =
直接写出得数．×8= ÷2= ×= ÷= ÷= ﹣0.6=×= ÷10= += ÷= 16×= 1﹣7%=
直接写得数．1÷= ÷2= 4×20%= ×4=（+）×12= 1÷75%= 1%÷10%= 42%﹣0.42=
直接写得数．12×= 6÷= ÷= 1÷×=×18= ×0×= ×= ×26=
直接写出得数．×60= 12÷= 3.14×42= （）2=×= += ÷= ÷=
= 
= 
= 
= 
=
= 
= 60×60%= 2×32= 
=
×8= 
÷2= 
×
= 
÷
= 
÷
×
= 
÷10= 
+
= 
= 16×
= 1﹣7%=
= 
÷2= 4×20%= 
×4=
+
）×12= 1÷75%= 1%÷10%= 42%﹣0.42=
= 6÷
= 
÷
= 1÷
×
=
×18= 
×0×
= 
×
= 
×26=
×60= 12÷
= 3.14×42= （
）2=
×
= 
+
= 
÷
÷
=
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