一年级数学上册第5单元6_10的认识和加减法《8和9》提高练习新人教版.doc

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18和9 1 里藏着几?2小猫钓鱼。3看图在里填数。5+=8(块)46-3= 2+4=7-3= 3+4=8-3= 4+4=9-3= 5+4=我发现每列算式中,下一个算式的得数比上一个的多( )。25比一比,填一填。(1)比 多( )。(2)比 少( )。6用下面的数,你能写出几道算式?7 9 6 0 4 2 3 8 1+= -=+= -=+= -=+= -=7照样子,写一写。2+6=5+3=1+79-2=8-3=6+3=3答案14 9 8 4 8 424 9 8 8 6 9 7 63343 4 5 6 6 7 8 9 15(1)3 (2)36答案不唯一,如123 134 167 189 431 321 972 9817答案不唯一,如8116 7261 7281

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