2 1.2×∈× 15 = 1.2×3. 14× 15 = 56.52m 56.52× 1.5 = 84.78 m2。
3 80000× 0.466 %×12+80000 = 84473.6 yuan.
4 5 divided by 1/3 = 15 people.
5 30 divided by two thirds = 20km 20 times 3 5/9 = 96 96+20 =113km.
6 160*5=800 800 divided by (1-3/5)=2000 km.
Pure hand tour is absolutely correct.
On the connection between junior high school and senior high school
Shijiazhuang No.2 Middle School is a good school. You should