Wukong: 4- 1=3
2、 1÷[﹙ 1/4+ 1/6+ 1/8)÷2]
= 1÷[﹙6/24+4/24+3/24﹚÷2]
= 1÷﹙ 13/24× 1/2﹚
= 1÷ 13/48
=48/ 13 days
A: Three teachers can finish the examination in 48/ 13 days.
Mathematical template of teaching plan 1
First, the teaching objectives:
1, the weighted average will be obtained according to the