×7= 0×= -= ×= 2.4÷=
1﹣÷ ×2.8= 5÷= 4×÷4×= +÷+=
0×5.16= 9.8+2.6= 502-399=
÷4= × = 20×5=
4+0.7x=102
8路车
6:00
10路车