=4500÷100,
=45(分鐘),
=
3 |
4 |
答:經(jīng)過(guò)
3 |
4 |
(2)1+5000÷100=51(分鐘)=
51 |
60 |
答:經(jīng)過(guò)
51 |
60 |
(3)5+5000÷100,
=5+50,
=55(分鐘),
=
11 |
12 |
答:經(jīng)過(guò)
11 |
12 |
(4)(5000-500)÷500,
=4500÷500,
=9(分鐘),
=
3 |
20 |
答:經(jīng)過(guò)
3 |
20 |
3 |
4 |
3 |
4 |
51 |
60 |
51 |
60 |
11 |
12 |
11 |
12 |
3 |
20 |
3 |
20 |