1. 11 21......3 32......1
77 87 97
2. 32 32……2 211……3
3. 12 21 21
4. 38÷3=12(组)......2(人)
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1. 11 21......3 32......1
77 87 97
2. 32 32……2 211……3
3. 12 21 21
4. 38÷3=12(组)......2(人)
http://m.ksjqmj.com/sannianjidaan/3237.html
推荐访问