概要:( )=7( )-6=17+( )=13( )-4=3( )-8=115+( )=78-( )=4( )-18=011-( )=4( )+3=71+( )=124+( )=13( )-6=2( )+3=1220-( )=45+( )=912-( )=4( )-7=3( )-8=014+( )=15( )-5=413-( )=1016-( )=65+( )=160+( )=610-( )=7( )-4=108-( )=64+( )=618-( )=917-( )=85+( )=1314-( )=7上一页 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] 下一页
口算练习(一)——20以内加减法速算,标签:一年级数学课外辅导大全,http://www.youer8.com( )-6=1
7+( )=13
( )-4=3
( )-8=11
5+( )=7
8-( )=4
( )-18=0
11-( )=4
( )+3=7
1+( )=12
4+( )=13
( )-6=2
( )+3=12
20-( )=4
5+( )=9
12-( )=4
( )-7=3
( )-8=0
14+( )=15
( )-5=4
13-( )=10
16-( )=6
5+( )=16
0+( )=6
10-( )=7
( )-4=10
8-( )=6
4+( )=6
18-( )=9
17-( )=8
5+( )=13
14-( )=7
上一页 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] 下一页