1. (1)
4 2 1
40 20 10
400 200 100
(2)
5 8 8
50 80 80
2.
80 60 30
30 20 40
100 90 100
3.
40 50 60
4.
90÷3=30(页)
http://m.ksjqmj.com/sannianjidaan/3255.html
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1. (1)
4 2 1
40 20 10
400 200 100
(2)
5 8 8
50 80 80
2.
80 60 30
30 20 40
100 90 100
3.
40 50 60
4.
90÷3=30(页)
http://m.ksjqmj.com/sannianjidaan/3255.html
推荐访问