概要:+4=7-5+8=6-2+6=15-7=14-7=3+4+6=15-7=8-8+8=13-5+2=8+3=8+6=18-1+3=5+3=16-9=14-8+3=11-3=15+3-9=6-2+8=11-3=14-5=20-2=7+11=2+9-8=13-5+2=1+11=5+4=16-6=14-9=7+4-5=14-2=15-9=14-9=6+6=10+5=4+9=6-6=14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.com7-5+8=
6-2+6=
15-7=
14-7=
3+4+6=
15-7=
8-8+8=
13-5+2=
8+3=
8+6=
18-1+3=
5+3=
16-9=
14-8+3=
11-3=
15+3-9=
6-2+8=
11-3=
14-5=
20-2=
7+11=
2+9-8=
13-5+2=
1+11=
5+4=
16-6=
14-9=
7+4-5=
14-2=
15-9=
14-9=
6+6=
10+5=
4+9=
6-6=
14
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