如图，甲和乙两人分别从一圆形场地的直径两端点同时开始以匀速按相反的方向绕此圆形路线运动，当乙走了100米以后，他们第一次相遇，在甲走完一周前60米处又第二次相遇.求此圆形场地的周长．
相关试题
直接写得数．
①10﹣4.7= ②
÷5.25= ③
÷
= ④1÷
= ⑤4÷9×
=
⑥3.5÷40= ⑦
+6.25= ⑧0.74×100= ⑨12.2+8%= ⑩15×（
+
）=
= ④
﹣
=
÷
= ⑥3.9÷13= ⑦0.125×0.8= ⑧
×
=直接写出得数．
4÷0.8= 0÷
= 1﹣
= 100×1%=
0.45×1000= 9÷
= 8.7﹣7=
+=
786﹣298= 3.14×8=
÷
= 25×0.7×4=
2﹣2÷3=（
﹣0.375）×5=
×
÷×= 75﹣2.1﹣2.9=
直接写得数
0.3÷
= 4﹣
=
×12=（4.2+
）×2×0=
3.7+5= 300×0.3%=
×
= 3×1
+3×=
1+
÷1+=（1
+
）÷
= 4×
×0.25= 0.125×32=
= 1÷
×
= 25×0.4=
=
×
=
÷2=
÷
=
粤公网安备 44130202000953号