该课件由【语文公社】max.book118.com情提供QQ:764723079 * 8 + ( )= 12 8 + ( )= 14 8 + ( )= 15 8 + ( )= 17 4 6 7 9 十几减8 1 11 – 8 = 想: 9 加( )得 11 3 3 11 减 8 得 3 2 13 - 8 = □ 想: 8 加( )得 12 5 5 15 - 8 = □ 想: 8 加( )得 14 7 7 摆一摆,算一算 3 12 - 8 = □ 想: 8 加( )得 12 4 4 16 - 8 = □ 想: 8 加( )得 16 8 8 14 - 8 = □ 6 17 - 8 = □ 9 4 想一想 做一做 1. □ ○ □ = □ □ ○ □ = □ 2. 8 + 5 = 8 + 3 = 13 – 8 = 11 – 8 = 8 + 7 = 15 – 8 = 12 - 8 4 □ ○ □ = □ 16 - 8 8 13 11 15 5 3 7 * * *
十几减8.ppt
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