一年级数学下册第5单元加与减二3青蛙吃虫子综合练习2北师大版.doc

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1综合练习 21填空(1)3 个十 6 个一是( ) 7 个十 8 个一是( ) 。(2)67 里面有( )个十和( )个一。(3)6 个十和( )个一是 63。(4)在内填“” 、 “”或“” 。503501 606507 908890 2口算。45 57 352 49 73 56 460 77 3填( ) 4718( ) 169 14( )40( )506 19( ) 1434计算672 405 943434 354 626 20(36) 11(24) 5把算式和得数用线连起来2081 40 604 524642 29 407 4028(53) 30 455 6437(114) 20 250 476看得数填出 4 道不同的算式20 _ _ _ _95 _ _ _ _87 _ _ _ _10 _ _ _ _7应用题(1)飞机场上第一次飞走 12 架 ,第二次飞走 6 架,两次共飞走多少架?(2)小明有 18 个 ,吃了 6 个后,和小云同样多,小云有几个?2参考答案1 (1)36,78 (2)6,7 (3)3 (4), 2略 3略47,7,4,2578,45,97,47,39,68,29,17,396略7略8 (1)18 架 (2)12 个

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