A56 小学一年级数学上下册 两位数减一位数退位减法口算题电子版 共32页2400道题
两位数减一位数退位减法
1.19-9=26.76-8=51.62-6=
2.99-9=27.13-9=52.46-8=
3.68-9=28.57-9=53.80-2=
4.72-3=29.50-1=54.90-4=
5.43-9=30.60-9=55.93-7=
6.26-9=31.81-9=56.81-9=
7.22-3=32.27-8=57.51-2=
8.63-5=33.42-8=58.53-7=
9.51-8=34.51-2=59.18-9=
10.42-8=35.14-8=60.31-5=
11.91-3=36.94-9=61.19-10=
12.34-6=37.90-3=62.74-7=
13.69-9=38.44-6=63.48-9=
14.67-9=39.43-6=64.70-3=
15.70-7=40.23-7=65.45-7=
16.18-9=41.80-7=66.24-5=
17.23-6=42.39-9=67.67-8=
18.50-8=43.20-1=68.34-6=
19.39-9=44.79-9=69.99-10=
20.68-9=45.29-9=70.64-7=
21.48-9=46.45-7=71.64-7=
22.65-9=47.69-9=72.36-9=
23.79-9=48.33-6=73.15-6=
24.46-8=49.38-9=74.12-5=
25.66-8=50.86-8=75.32-9=
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