求下列组合图形阴影部分的面积．
直接写出得数．0.56+0.25= ﹣（﹣）= 0÷= （+）×6=+= ×= 8÷= 1+8%=
直接写结果﹣= 570÷ ×20= +3.5=11﹣﹣= ×= 1÷= 10﹣=÷= 19.9+19.9×99=
直接写出得数．﹣= 12×= ÷26= +=×= += 1÷= ×=
口算﹣= += ×= ÷7=
直接写出得数．（1）1﹣0.25=（2）+=（3）2﹣=（4）0.5×=（5）20%÷=（6）×30%=（7）×=（8）0÷=
﹣（
﹣
）= 0÷
= （
）×6=
+
= 
×
= 8÷
﹣
= 570÷
×20= 
﹣
= 
×
= 1÷
= 10﹣
=
÷
= 19.9+19.9×99=
﹣
= 12×
= 
÷26= 
+
=
×
= 
+
= 1÷
= 
×
=
﹣
= 
+
= 
×
= 
÷7=
+
=
=（4）0.5×
=
×30%=
×
=（8）0÷
=
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