A65 小学一年级数学上下册 20以内连加连减填空口算题电子版 共32页2400道题每页75道
20以内连加连减填空
1.()+0+5=1926.11+()+6=1751.12+3+()=15
2.()+2-5=1227.12+()-5=1352.18+0-()=6
3.()-4-1=328.12-()-0=253.16-5-()=9
4.()-4+4=1129.12-()+16=1854.19-3+()=18
5.()+2+7=1830.12+()+0=1755.1+4+()=13
6.()+0-3=1631.9+()-1=1356.2+15-()=3
7.()-4-8=232.11-()-0=157.11-7-()=2
8.()-0+7=1833.6-()+11=1458.11-1+()=15
9.()+0+13=1634.11+()+1=1759.7+4+()=12
10.()+9-2=1135.7+()-11=660.7+0-()=7
11.()-1-2=136.4-()-3=161.10-2-()=1
12.()-0+0=737.17-()+5=1762.1-0+()=12
13.()+2+8=1638.19+()+0=1963.18+0+()=19
14.()+1-7=1039.17+()-11=764.16+1-()=6
15.()-5-1=740.17-()-2=265.19-6-()=13
16.()-7+3=641.1-()+0=166.18-14+()=13
17.()+3+4=1942.15+()+0=1967.6+6+()=17
18.()+0-12=543.16+()-14=268.7+12-()=9
19.()-13-2=244.11-()-0=369.5-1-()=4
20.()-0+17=1845.5-()+5=970.9-8+()=9
21.()+9+1=1946.15+()+2=1771.13+0+()=13
22.()+7-17=147.12+()-7=672.5+1-()=2
23.()-0-2=248.7-()-0=173.5-3-()=1
24.()-2+1=1049.9-()+9=1774.9-5+()=14
25.()-1+2=850.2-()+2=475.13-8+()=19
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