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一年级上册数学课件-9 得数是10的加法和相应的减法丨苏教版 (共24张PPT)
得数是 10 的加法和相应的减法 口算 3+6= 5+3= 6-2= 2+7= 8-3= 5+2= 9-5= 3+4= 8-4= 8-0= 6+2= 9-8= 9 5 4 8 7 8 4 4 8 9 7 1 + 1 + 9 = 10 10 - 1 = 9 9 + 1 = 10 10 - 9 = 1 + 2 + 8 = 10 10 - 2 = 8 8 + 2 = 10 10 - 8 = 2 + 3 + 7 = 10 10 - 3 = 7 7 + 3 = 10 10 - 7 = 3 + 4 + 6 = 10 10 - 4 = 6 6 + 4 = 10 10 - 6 = 4 + 5 + 5 = 10 10 - 5 = 5 + 4 + 6 = 10 10 - 4 = 6 6 + 4 = 10 10 - 6 = 4 + 3 + 7 = 10 10 - 3 = 7 7 + 3 = 10 10 - 7 = 3 + 2 + 8 = 10 10 - 2 = 8 8 + 2 = 10 10 - 8 = 2 + 1 + 9 = 10 10 - 1 = 9 9 + 1 = 10 10 - 9 = 1 + 0 + 10 = 10 10 - 0 = 10 10 + 0 = 10 10 - 10 = 0 + 0 + 10 = 10 10 - 0 = 10 10 + 0 = 10 10 - 10 = 0 0+10 = 10 10+0 = 10 10 - 0 = 10 10 - 10 = 0 1+9 = 10 9+1 = 10 10 - 1 = 9 10 - 9 = 1 2+8 = 10 8+2 = 10 10 - 2 = 8 10 - 8 = 2 3+7 = 10 7+3 = 10 10 - 3 = 7 10 - 7 = 3 4+6 = 10 6+4 = 10 10 - 4 = 6 10 - 6 = 4 5+5 = 10 10 - 5 = 5 0+10 = 10 10+0 = 10 10 - 0 = 10 10 - 10 = 0 1+9 = 10 9+1 = 10 10 - 1 = 9 10 - 9 = 1 2+8 = 10 8+2 = 10 10 - 2 = 8 10 - 8 = 2 3+7 = 10 7+3 = 10 10 - 3 = 7 10 - 7 = 3 4+6 = 10 6+4 = 10 10 - 4 = 6 10 - 6 = 4 5+5 = 10 10 - 5 = 5 0+10 = 10 10+0 = 10 10 - 0 = 10 10 - 10 = 0 1+9 = 10 9+1 = 10 10 - 1 = 9 10 - 9 = 1 2+8 = 10 8+2 = 10 10 - 2 = 8 10 - 8 = 2 3+7 = 10 7+3 = 10 10 - 3 = 7 10 - 7 = 3 4+6 = 10 6+4 = 10 10 - 4 = 6 10 - 6 = 4 5+5 = 10 10 - 5 = 5 10 - 0 = 10 10 - 4 = 6 10 - 3 = 7 10 - 5 = 5 10 - 1 = 9 10 - 9 = 1 10 - 6 = 4 10 - 7 = 3 10 - 8 = 2 10 - 2 = 8 8 10 7 10 6 10 5 10 10 4 6 3 7 8 2 9 1 10 10 10 玩游戏 —— 摘苹果 = + 10 - 10 = ☆ +☆=8 ☆ +□=10 那么☆ = ( ), □= ( )。 4 6 谢谢指导!查看更多