文档介绍：2+17=         2+18=           3+3=           3+4=           3+5=
19-10=         18-1=          18-2=          18-3=          18-4=
3+16=         3+17=           4+4=           4+5=           4+6=
13-5=         13-6=          13-7=          13-8=          13-9=
4+7=          4+8=           4+9=           4+10=          4+11=
13-10=         12-1=          12-2=          12-4=          12-5=
4+12=         4+13=        4+14=          4+15=          4+16=
11-1=         11-2=          11-3=          11-4=          11-5=
7+5= 14-6= 15-7= 6+7= 8+9=
3+8= 11-7= 13-6= 14-7= 6+9=
20以内加减法口算练****题㈡
6+9=            5+8=         7+3=          6+6=           9+5=
7+9=            8+8=         5+8=          14-9=          17-6=
4+7=            9+4=         6+8=          9+7=           7+8=
9+8=            4+6=         5+3=          6+8=           17-5=
3+7=            6+8=         9+6=          2+8=           6+9=
14-6=            5+7=         4+7=          7+9=           15-8=
6+9=             8+4=         9+8=          8+5=           9+11=
16-7=            13-7=        7+4=          8+3=           17-6=
19-8=            8+5=         9+5=          8+6=           7+14=
8+2=             4+7=         3+9=          12-8=          5+8
20以内加减法口算练****题㈢
3+5=            13-6=         6+9=          9+5=          13-8=
4+6=            9+9=          8+7=          4+7=          6+3=
12