概要:+17=7+7=7+7=6+6=10+9=8-3=12-6=10-1=10-4=8+12=4+2=3+1=16-6=16-8=12+2+3=11+9=11+3=2+7=8+6=5+12=7-5+8=9-7=4+5=5+2=4+11=7-1+7=8-8+8=8+3=8+6=8-7=12-3=5+7+3=16-9=14-4=5+3+9=8-4=10-8=12-6+8=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.com7+7=
7+7=
6+6=
10+9=
8-3=
12-6=
10-1=
10-4=
8+12=
4+2=
3+1=
16-6=
16-8=
12+2+3=
11+9=
11+3=
2+7=
8+6=
5+12=
7-5+8=
9-7=
4+5=
5+2=
4+11=
7-1+7=
8-8+8=
8+3=
8+6=
8-7=
12-3=
5+7+3=
16-9=
14-4=
5+3+9=
8-4=
10-8=
12-6+8=
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