3:
100 200 300
400 500 600
700 800 900
4:
3×47=141(人)
141-98=43(人)
5:
38×5+68=258(元)
258<270,够
6:
12×8+8=104(只)
7:
32
40
48
http://m.ksjqmj.com/sannianjidaan/3656.html
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3:
100 200 300
400 500 600
700 800 900
4:
3×47=141(人)
141-98=43(人)
5:
38×5+68=258(元)
258<270,够
6:
12×8+8=104(只)
7:
32
40
48
http://m.ksjqmj.com/sannianjidaan/3656.html
推荐访问