如图所示，中，，，，以为一边向外作正方形，中心为，求的面积．
直接写出得数﹣0.625= = 40÷8%= = 3×11= +79×=8﹣4÷= ×1.5+3= = 4×+÷4= = =
直接写出得数= = = == = = 8×0.125=
直接写得数÷4= += ÷= ×= 8×=2÷= 1÷= 1﹣﹣= 2﹣= 2××=
直接写出得数．÷= 202﹣99= 3.5÷1000= 28÷1%=34×50= ×= 1.24÷0.4= 42×0.2=+= ﹣= ÷6= 1+99%=
直接写得数．= = 1= == 2﹣= = =
中，
，
，
，以
为一边向
，中心为
，求
的面积．
﹣0.625= 
= 40÷8%= 
= 3
×11= 
+79×
= 
×1.5+3= 
= 4×
+
= 
=
= 
= 
= 
=
= 
= 
= 8×0.125=
÷4= 
+
= 
÷
= 
×
= 8×
=
= 1÷
= 1﹣
﹣
= 2﹣
= 2×
×
=
÷
= 202﹣99= 3.5÷1000= 28÷1%=
×
= 1.24÷0.4= 42×0.2=
+
= 
= 
÷6= 1+99%=
= 
= 1
= 
=
= 2﹣
= 
= 
=
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