求下面阴影部分的面积．
直接写得数．1÷= 0.32÷0.8= 2.3+3.57= 7.3﹣2.8=÷= += 1÷×= 2×+5=+4﹣+4= ×99+=
口算．1÷0.5= 1﹣1÷1= 1.25××8= ×5.6=÷5××5= 4×0×4= 120×（+）= +0.29+=3﹣﹣= （﹣）×20=
直接写结果．9×= 3﹣÷0.75= +1= 2÷=0.9+99×0.9= ×8÷×8= 1﹣﹣= ﹣=××= 42÷[14﹣（50﹣39）]=
直接写出得数． 24.06+0.4= 180×40= 7﹣3.635= 50%÷2%=+= ×12= ÷= 3﹣=
直接写得数．3﹣0.47= ÷= 0.24×50= 2﹣2÷7=8.4÷0.7= 0.32= 1.25×9×8= 80×25%=﹣= （+）×72=
= 0.32÷0.8= 2.3+3.57= 7.3﹣2.8=
÷
= 
+
= 1÷
×
+5=
+4﹣
×99+
÷0.5= 1
﹣1
×8= 
×5.6=
÷5×
×0×4
+
）= 
+0.29+
=
﹣
﹣
= （
﹣
）×20=
= 3﹣
÷0.75= 
+1= 2÷
=
×8÷
﹣
= 
﹣
=
×
×
= 42÷[14﹣（50﹣39）]=
+
= 
×12= 
÷
= 3﹣
=
÷
= 0.24×50= 2﹣2÷7=
﹣
= （
+
）×72=
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