有一个正方形，里面有一个圆，这个圆的面积占这个正方形面积的百分之几？
直接写出得数．×=﹣= 0÷= 5÷= 70×=
计算 0.62=×= 4×60%= 0×=÷2= 10÷=×3.6= 0.875÷0.125=
找准对应．（12）
×15=÷=÷50%= 8×25%=×0×=﹣= 0.5+=×=÷3=（﹣）×30=
16÷0.25====== 1﹣= 2.25+×=====
×
=
﹣
= 0÷
=
= 70×
=
×
= 4×60%= 0×
=
÷2= 10÷
=
×3.6= 0.875÷0.125=
×15=
÷
=
÷50%= 8×25%=
×0×
=
﹣
= 0.5+
=
×
=
÷3=（
﹣
）×30=
=
=
=
=
= 1﹣
= 2.25+
×
=
=
=
=
=
粤公网安备 44130202000953号