甲乙两地相距740米，两列火车同时从两地相对开出，经过5小时相遇，甲车每小时72千米，乙车每小时行多少千米？
直接写得数．×0=×=×12=×=÷=÷= 9×=×= 18×=÷=÷=÷12=
计算×÷÷．
直接写出得数．÷5=÷4=÷2=÷3=÷=÷=÷=÷= 1÷= 15÷=÷=÷=×=×=+= 1﹣=
先看清左右两题之间的关系，再写出得数．
======= 1.05×4= 268÷14×0== 306﹣16= 5.1+0.09=
×0=
×
=
×12=
×
=
÷
=
÷
= 9×
=
×
= 18×
=
÷
=
÷
=
÷12=
×
÷
÷
．
÷5=
÷4=
÷2=
÷3=
÷
=
÷
=
÷
÷
=
= 15÷
=
÷
=
÷
=
×
×
=
+
= 1﹣
=
=
=
=
=
=
=
= 1.05×4= 268÷14×0=
= 306﹣16= 5.1+0.09=
粤公网安备 44130202000953号