概要:( )-6=87-( )=5( )-2=914-( )=518-( )=8( )-6=12( )-8=06+( )=13( )-6=114+( )=20( )-3=9( )+3=90+( )=138+( )=15( )-8=128-( )=2( )+6=146+( )=1212-( )=5( )-6=3( )+4=103+( )=77+( )=1311-( )=1014-( )=65+( )=1114+( )=1520-( )=812-( )=810-( )=44+( )=2013-( )=816-( )=4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
( )-2=9
14-( )=5
18-( )=8
( )-6=12
( )-8=0
6+( )=13
( )-6=1
14+( )=20
( )-3=9
( )+3=9
0+( )=13
8+( )=15
( )-8=12
8-( )=2
( )+6=14
6+( )=12
12-( )=5
( )-6=3
( )+4=10
3+( )=7
7+( )=13
11-( )=10
14-( )=6
5+( )=11
14+( )=15
20-( )=8
12-( )=8
10-( )=4
4+( )=20
13-( )=8
16-( )=4
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