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两位数加整十数或一位数

两位数加整十数或一位数. 口答：. 30. 3 个十是（ ）. 3 个一是（ ）. 3. 84. 8 个十和 4 个一合起来是（ ）. （ ）个十和（ ）个一合起来 是（ ）. 口算 ：. 口算：. 70+2=. 70+20=. 口算：. 20+6=. 20+60=. 4 个十. 4 个一. 口算：. 30+4=. 30 + 40 =. 34. 70. 和. 一共有多少个座位？. 30 座. 45 座. 45+30=. 45 + 30 =.

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两位数加整十数或一位数

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  1. 两位数加整十数或一位数

  2. 口答： 30 3个十是（ ） 3个一是（ ） 3 84 8个十和4个一合起来是（ ） （ ）个十和（ ）个一合起来 是（ ）

  3. 口算： 口算： 70+2= 70+20=

  4. 口算： 20+6= 20+60=

  5. 4个十 4个一 口算： 30+4= 30 + 40 = 34 70

  6. 和 一共有多少个座位？ 30座 45座 45+30=

  7. 45 + 30 = 75 先算几十加几十 小棒 计数器 口算

  8. 45 + 30 = 75

  9. 45 + 30 = 75 百 十 个

  10. 45 + 30 = 75 先算 40+30=70 再算 70+5=75

  11. 30座 3座 一共有多少个座位？ 和 45座 45 + 3 = 45 + 3 = 45 + 3 = 45 + 3 = 48 48 48 48

  12. 45 + 3 = 48 先算 5+3=8 再算 40+8=48

  13. 多多岛欢迎您！

  14. 87 87 69

  15. 苹果和梨一共有多少个？ 40+34= 74

  16. 35 + 60 = ( ) 60+35= ( ) 95 54 + 4 = ( ) 4+54= ( ) 58 95 58 观察上面两组算式,你能发现什么呢?

  17. 你能写出几道？ 59 （ ）+（ ）=

  18. 6+31 27+40 41+5 34+50 6+31 27+40 41+5

  19. 敬 请 指 导！

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