概要:-7=12-0=9+5+1=5+7=9-2+8=3+9=11+9=6+7=7+9+3=7-3+7=13-6+6=16-9=4+7=16-3=8-3=7+7+3=11-6=12-7=3+12=7-2=3+1=12-7+8=16-3=9-2=14-7=14-6=2+7=4+11=9-5=9+3=14-6=10+4=5+2=12-3=8+8=10-4=3+2=9-5=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.com12-0=
9+5+1=
5+7=
9-2+8=
3+9=
11+9=
6+7=
7+9+3=
7-3+7=
13-6+6=
16-9=
4+7=
16-3=
8-3=
7+7+3=
11-6=
12-7=
3+12=
7-2=
3+1=
12-7+8=
16-3=
9-2=
14-7=
14-6=
2+7=
4+11=
9-5=
9+3=
14-6=
10+4=
5+2=
12-3=
8+8=
10-4=
3+2=
9-5=
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