该课件由【语文公社】max.book118.com情提供QQ:764723079 * 5 + ( )= 11 4 + ( )= 12 5 + ( )= 14 4 + ( )= 11 6 8 9 7 2 + ( )= 11 3 + ( )= 12 9 9 5 +( )= 11 4 +( )= 12 5 +( )= 14 4 +( )= 11 2 +( )= 11 3 +( )= 12 6 8 9 7 9 9 1 11 - 5 = □ 怎样想? 5 加6得 11 6 12 - 4 = □ 怎样想? 4加8得 12 8 14 - 5 = □ 9 11 – 4 = □ 7 12 - 3 = □ 9 2 想一想 做一做 1. 12 - 4 8 14 - 5 9 *
十几减5、4、3、2.ppt
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