小学一年级数学下册口算练习题大全31.docx
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小学一年级数学下册口算练习题大全31
90-80=52+4=60-8-5=40-30+6=
90-70=44+2=56-6-4=60-40+7=
10+30=83+5=71-5-8=90-80-7=
64-30=23-1=39+9-6=70-50-12=
40-10=89+8=80+5-9=90-80-12=
50+20=55+1=72-9-9=70-50-14=
94-30=40-4=40+7-8=80-10-13=
50+30=95-5=75+2-1=90-70+6=
63-10=30+5=78-1-2=75-20+6=
78-60=89+8=83+4-8=86-60+15=
89-30=24-9=82-1-2=20-10-16=
89-60=37-1=66-7-4=30-10+19=
64-50=12+4=83+8-6=83-20+18=
30+10=46+3=60+7-5=73-30+6=
80-50=62-5=13-8-1=69-20+12=
90-10=57-9=48-2-5=90-70+15=
97-10=54+9=27-3-3=70-40+10=
40-20=67-7=29-8-9=50-40+1=
80-20=82+3=70-7-7=90-70+14=
80-60=48+4=47-4-2=90-40+15=
20-10=75-5=43+1-5=90-70-14=
40+20=64-9=89-4-3=71-60+17=
90-80=33-8=77-6-3=90-40-1=
80-20=86-9=84-4-4=61-40+8=
30+30=84-3=36-5-5=84-60+10=
70-60=46-6=71+2-8=77-30+7=
50+10=83-7=19+9-3=70-60-12=
80-70=42+2=44-8-6=88-60+20=
90-80=65+6=41-8-9=61-30+2=
50+40=44+8=69+7-9=90-80+7=
86-40=82+7=44+2-4=70-50-16=
40+20=62-3=81+9-3=80-70-2=
91-10=44-9=59+2-6=67-10+7=
72-30=74-9=75-8-3=78-10+4=
50-40=18-5=37+9-6=90-80-1=
10+20=32-1=85+8-3=62-20+1=
30+40=79+9=89+5-5=90-80+18=
90-30=82+2=27+8-9=86-60+5=
60-50=24+4=58+9-4=90-80+5=
90-10=94-0=62-6-1=80-70-10=
50+20=12+2=39+7-5=70-50-1=
84-60=24-3=59-5-5=50-20-15=
30+10=21-4=42+2-7=70-60+13=
50+10=54+9=78+4-1=65-30+6=
30+30=59+5=87+1-6=73-60+4=
20+20=39-3=42-6-9=90-70-18=
90-30=71+9=52+2-7=60-30-2=
30+10=10+8=38-9-5=90-40-4=
30+40=16+6=68+4-9=64-50+17=
20+20=92-2=29+8-2=90-60-11=
50-40=45+2=62-1-5=90-60+15=
50-40=52+3=66+4-4=60-50-19=
50-40=31-8=38-4-2=90-40+6=
93-50=79-5=53+2-2=68-50+3=
10+20=84+9=17-3-7=70-50-15=
61-30=25+9=18+6-7=73-60+10=
90-50=65-2=77-3-8=90-80-13=
40+40=17-5=76+6-5=50-40+3=
60-50=61+2=84+6-9=63-50+18=
20+30=71+7=40-8-6=88-40+1=
40-30=39+1=77-6-9=66-20+5=
92-40=76+8=64+4-3=50-40+11=
60-40=69-9=42+8-9=90-20+2=
60-40=67-5=31+1-2=60-20+15=
93-30=89-7=40+6-9=82-60+15=
66-20=84-6=36-4-6=88-60+4=
20+10=33+9=32+2-3=63-40+1=
40+40=87-3=48-3-2=68-30+9=
90-80=68-6=14-5-4=72-40+15=
70-30=38-3=36+6-4=50-30-16=
40+10=79+4=55+3-5=60-10+2=
65-50=53-5=75+9-2=70-50+6=
30+30=16+8=77+7-7=90-80+15=
65-50=76+8=41-1-5=50-30+13=
10+10=12-9=26+9-3=70-50+12=
20+10=80+3=18+4-1=80-30+16=
70-50=19+5=47+8-5=60-10-19=
95-50=11+3=39-1-4=64-50+9=
88-10=76-8=33-6-9=80-20-17=
50+40=40+4=60-9-1=80-50+14=
94-30=13+8=83-8-8=68-60+1=
10+30=46+6=48+7-1=67-20+7=
30-10=17+5=42-5-8=90-50+18=
82-50=77-3=32-5-5=75-50+9=
80-20=56-4=64-5-2=87-30+18=
40+10=95-9=71-3-2=66-40+18=
92-50=16+1=27+5-9=83-60+18=
20+30=22-1=52-9-1=70-50+11=
88-40=18+2=22-1-2=60-10-1=
90-70=38+2=84+9-5=61-20+8=
50+10=22+5=65-6-6=70-10+18=
76-10=22+6=48+6-4=80-60+18=
80-30=65-5=13+6-7=60-30+4=
83-10=38-4=86-4-5=83-50+11=
10+30=11-1=44-6-7=68-20+17=
80-60=44+3=39-7-3=80-70+16=
30+10=37+2=50+9-1=70-20-5=
10+40=65-4=17-1-1=67-40+19=
90-70=77+3=54+3-3=62-60+18=
87-30=64+6=89+5-8=72-50+4=
30+30=81-2=88+8-8=76-20+17=
20+30=52+2=23-9-6=84-40+16=
10+30=90+8=29-5-7=77-40+19=
20+20=76+1=46-1-6=64-60+10=
90-10=55-2=74-3-9=75-30+6=
83-60=14+9=34-7-1=74-50+14=
40+40=67+6=83+7-7=90-70+7=
84-10=63-1=73-3-8=79-60+3=
87-50=84-9=18+3-1=90-80-3=
40+20=84+5=52+3-3=70-50-10=
90-60=50+4=52+2-7=50-20-3=
50+10=17-4=55-8-9=70-30+17=
89-40=65+8=22+9-3=78-20+5=
90-80=63-6=31-2-4=60-20-14=
90-80=63-1=14-5-1=82-30+20=
20-10=63-1=25+1-4=90-70+9=
85-40=16-9=76-2-7=85-10+20=
85-40=66+4=87+2-3=80-70+17=
95-10=87-8=64-7-7=89-50+15=
90-20=21+6=88-2-2=50-10-2=
40+20=63-9=83-5-2=50-10-3=
50+10=72-2=71+5-5=90-60-16=
71-40=69+2=52+7-9=70-40-16=
90-20=38+4=50-5-9=50-10+2=
10+30=12+3=21-9-5=60-40+4=
90-80=89-7=27+8-1=82-30+3=
10+20=91-0=61-2-3=72-50+6=
40+30=15+6=22+3-6=90-40+8=
30+10=12+4=32-6-3=80-10-16=
30+20=69-0=84-6-9=83-30+12=
94-10=42-4=37+3-5=72-40+12=
70-60=74-2=45-4-6=75-20+13=
66-60=75+3=35-5-8=68-50+6=
50-10=84+8=45+3-4=81-60+1=
40+40=19-8=89-3-4=80-70+11=
90-80=75-6=11+2-6=69-20+3=
50+10=28+3=29-8-5=81-10+1=
68-10=13+6=31+2-2=40-20-15=
80-20=56-5=35-9-9=85-10+13=
90-80=96-5=26-2-9=80-50+9=
70-40=17-4=16-5-7=74-30+6=
70-20=58-6=14+4-9=50-40+10=
90-30=80+1=69+6-4=90-80+5=
84-50=64+4=21-1-7=87-20+18=
71-50