题目内容
(221+179)×(508-485)=
- A.168
- B.120
- C.9200
- D.186
C
(221+179)(508-485)=400×23=9200选C.
(221+179)(508-485)=400×23=9200选C.
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2008
北京奥运现在开幕心算或笔算
(1)450 +75= |
(2)458 +75= |
(3)367 +200= |
(4)179 +221 |