概要:5+6=6+6=18-9=11-2=9+3=15-9=19-5=15-2=15-9=9-4=17-2=4+9=12-6=10+9=4+7=14-9=2+17=8+5=5+7=9+4=3+5=3+3+3=12-6=9-7=10+9=7-2=9-3=9+6=11-4=16-8=4+9=2+8=16-8=12+2+3=3+4+7=12+4=11+3=12+6=12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.com5+6=
6+6=
18-9=
11-2=
9+3=
15-9=
19-5=
15-2=
15-9=
9-4=
17-2=
4+9=
12-6=
10+9=
4+7=
14-9=
2+17=
8+5=
5+7=
9+4=
3+5=
3+3+3=
12-6=
9-7=
10+9=
7-2=
9-3=
9+6=
11-4=
16-8=
4+9=
2+8=
16-8=
12+2+3=
3+4+7=
12+4=
11+3=
12+6=
12
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