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一年级一位数加减一位数口算练习题
40+ 2= 70+ 3= 10 +8= 80+ 0= 40+5=
3 +90= 10 +6= 30+ 2= 50 +9= 9 +80=
1 +10= 8 +80= 20 +1= 20 +3= 0+ 10=
6+ 40= 6+ 50= 20+ 4= 20 +2= 6 +60=
90 +2= 80+ 4= 90+ 4= 0+ 80= 60 +4=
60 +1= 2 +60= 30 +4= 40+ 6= 8 +80=
1 +60= 1 +90= 70+ 1= 5 +10= 40+ 0=
90 +1= 10 +7= 9 +90= 40 +5= 30 +5=
80+ 9= 40 +1= 80+ 2= 1+ 80= 9 +70= 40+ 9= 20 +7= 2+ 80= 0 +30= 2 +30=
0 +70= 4+ 20= 70+ 3= 20+ 1= 4 +60=
90+ 9= 50+ 7= 3 +40= 80+ 1= 20+ 8=
4 +90= 8 +10= 90+ 9= 0 +30= 80 +8=
7 +40= 60+ 2= 2+ 60= 8 +10= 10 +6=
50+ 6= 70+ 1= 50 +5= 8 +20= 3 +70=
80+ 9= 30+ 3= 3+ 20= 0+ 90= 9 +10=
23–3= 62 – 60= 42 –2= 82 –2= 40 –40=
94 – 4= 54 –50= 94 –50= 57– 7= 81– 30=
48 –30= 39–9= 71 –30= 53 –30= 55–5=
38 –8= 81–
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