1.
900 630
1500 1050
2.(1)35 35 700 35 735
(2)35 35 1050 35 1015
3.
28x20
20x27
4.
14x18x2
=504元
http://m.ksjqmj.com/sannianjidaan/3341.html
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1.
900 630
1500 1050
2.(1)35 35 700 35 735
(2)35 35 1050 35 1015
3.
28x20
20x27
4.
14x18x2
=504元
http://m.ksjqmj.com/sannianjidaan/3341.html
推荐访问