一年级数学下册口算宝典129.docx
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一年级数学下册口算宝典129
80-40=20+3=69-3-7=60-50+1=
70-60=62+1=45+7-8=85-30+15=
90-10=85-2=37-7-5=90-80-8=
60-20=94-0=14+4-6=67-60+11=
70-30=38+4=16+4-4=60-50+16=
30+20=79-6=67-6-4=61-50+15=
90-80=40+1=82+7-9=20-10+15=
65-10=26+2=55+2-9=83-10+15=
30-20=51+7=67+8-1=77-20+4=
86-20=10+6=41-2-7=66-50+5=
97-50=71+5=31+3-6=80-60-17=
89-20=53+8=26+6-7=90-20-6=
75-60=42-8=71+8-3=87-50+9=
90-70=41+6=52-3-9=65-30+7=
40+40=39-0=33+4-2=72-20+12=
79-60=21+5=18-4-1=90-20+5=
80-20=11-1=69-4-2=70-30-13=
40-30=63+8=70-8-7=70-30+11=
62-30=21-2=27+6-5=40-30-18=
74-50=89+7=73-3-3=84-20+5=
40-20=11-4=36+4-2=60-20-1=
40+20=80+3=85+4-6=66-40+9=
68-40=29+6=65-6-4=80-30+8=
65-40=82-6=64-6-2=61-20+11=
20+30=36-5=19+1-6=60-50+3=
60-40=84-9=25-6-1=78-10+17=
20+10=55-2=18-6-1=90-10-18=
80-40=58+9=21-2-6=70-40-3=
10+30=96-6=29+4-8=76-50+11=
30+10=66+3=63-3-4=50-30+19=
79-30=70+1=59+9-5=61-10+18=
70-50=91-4=12-5-3=69-30+6=
68-30=80-3=70+4-9=74-30+17=
90-80=28-1=84+5-4=75-10+9=
90-80=41+5=20+2-3=50-20-15=
96-10=64+4=74+4-2=70-20+17=
80-70=65+2=15-7-1=88-50+6=
20+10=44-1=41+1-2=77-50+5=
80-20=70-6=78-7-4=81-40+20=
40+10=83+5=87-9-5=60-50-9=
50+10=43+3=33-3-4=78-50+17=
50+40=89-0=63+9-9=73-10+7=
95-10=45+7=73-4-3=90-80-8=
71-10=56+4=52+1-5=81-40+4=
88-60=42-4=68+1-1=85-60+10=
67-30=57+3=22-8-9=71-10+7=
50+30=69+9=57-9-6=71-30+6=
30+40=33+5=85-4-8=76-50+10=
90-70=27-9=74+8-7=70-50-4=
72-20=67+7=41-2-5=69-20+7=
90-60=80+1=60-8-9=80-70+5=
90-60=31-9=45-8-9=64-40+10=
30+10=14-4=79-6-6=80-70-3=
20+40=94-3=50+2-6=60-50-4=
68-50=78-2=63+9-8=61-40+1=
50-40=53-3=45-7-5=90-40-14=
40+40=63+1=41-9-7=71-30+8=
10+20=66+7=63-4-7=89-30+9=
86-50=67-9=56-4-9=90-10-7=
92-30=79-6=86+9-4=88-10+9=
20+10=91-9=81-9-6=89-60+9=
80-60=37+3=11+3-6=30-20-17=
90-40=46-7=51+3-6=90-80+9=
88-40=81+6=81-7-9=79-60+15=
86-50=92-1=58-4-7=64-50+12=
90-70=13+7=19+8-9=71-20+10=
80-20=43+1=73-9-8=90-20+1=
63-30=49-9=33+6-5=90-70-16=
10+10=62-6=16-9-6=82-50+7=
90-20=18-8=74+9-5=81-20+1=
70-40=74-5=40-6-1=90-60+7=
75-20=13+6=54-6-1=70-60+3=
30-10=35-1=33+6-6=60-50+15=
30+30=93-0=64+8-7=70-60-6=
50-30=27-4=70-8-4=70-20+9=
82-10=66+1=30-3-7=90-80-11=
64-20=47-3=74+6-1=60-50+6=
90-50=27+4=57-6-2=78-10+19=
50+20=60+9=52+6-2=90-50-6=
69-60=61-9=74+1-2=70-30+3=
80-60=70-1=81+8-6=63-50+15=
84-40=75-5=61-5-2=90-80+1=
20+20=28-1=76+3-6=80-40-4=
60-10=94-8=38-8-6=60-10-3=
67-10=20+8=22+6-4=60-10+6=
82-60=67+4=33-4-9=89-40+13=
90-80=92-2=69-2-8=90-50-13=
90-40=48+6=68-1-5=90-40+11=
70-20=86-7=49+4-7=70-60+3=
10+40=40+7=26+2-2=90-70-8=
40+10=34-4=75+3-4=50-30+9=
30+20=17+3=55+9-7=81-40+9=
95-30=43+2=75-3-5=60-40+2=
72-40=79-1=13+5-9=50-40+4=
20+20=76+9=89-7-3=90-70-2=
90-10=18+5=82-3-2=81-40+5=
80-60=25-2=41-7-8=82-60+11=
65-20=20+9=86+6-6=79-20+3=
90-80=53-5=46-7-8=70-50-2=
70-40=75-8=81-9-6=79-20+7=
10+20=63-8=52+7-6=70-50-17=
80-70=71+3=87-6-3=74-10+3=
50-40=46+9=88+5-1=77-40+7=
84-50=72-3=49-8-8=50-20+11=
80-70=71+5=68-7-5=90-80-17=
30+40=91-4=82-2-5=83-20+5=
30+40=20+9=38-7-3=88-30+6=
91-30=59-4=11-6-4=80-70+1=
40-20=78+6=23-3-8=70-40-9=
50+10=89+7=43+6-4=69-60+2=
30+20=34+8=74+2-4=90-70+16=
84-60=56+8=35+7-3=84-30+10=
68-60=52-9=40-3-6=80-50-8=
40+10=93-2=82-3-4=90-50-16=
30+30=30-2=77-2-3=73-40+13=
93-50=53+6=89+5-2=66-40+2=
90-30=52+7=73+5-2=90-30-11=
82-20=80-6=69+7-1=70-60-12=
65-40=11-2=69+5-5=88-50+11=
95-10=64-4=18+2-5=88-10+2=
80-50=41-5=68+2-2=90-60+15=
90-80=56-0=19+3-4=67-50+6=
76-50=89-3=69+3-2=60-30-9=
91-60=11+1=88-5-9=70-60-6=
69-20=42-1=10-2-1=90-80+6=
92-10=30+9=78+7-1=86-60+9=
20+10=80-4=14-8-8=90-80+7=
96-10=44-1=74-5-7=74-40+1=
86-50=74-2=68+3-8=87-50+6=
84-20=12+1=30-9-4=90-80-17=
90-20=31+6=11-7-4=90-60+8=
70-30=75+2=68-2-3=90-80+14=
65-20=24-3=73+3-3=86-10+15=
50+20=92-5=83+1-2=73-40+3=
79-40=23+8=43-8-2=70-30-3=
80-70=16-6=55+2-2=50-40+15=
40-20=52+3=31-5-4=74-50+3=
75-30=87-5=88-8-5=90-80+5=
70-40=28-1=80-1-3=85-10+12=
50+30=84+8=37+7-8=90-60-1=
72-20=79-6=56-4-1=70-40-19=
50-30=10+6=48-6-8=90-80-7=
80-70=40-1=12+7-6=83-20+7=
94-40=78+5=68+6-1=80-20+1=
60-30=10+6=63-3-3=90-80-9=
40-20=20+5=10-1-8=90-10+14=
90-40=91-8=56-9-3=80-30-17=
93-30=42-1=39+5-4=76-10+13=
70-50=50-7=90+9-7=85-30+2=
70-40=81-1=71+4-6=87-40+7=
40+10=39+9=49-1-5=70-60+8=
86-50=91-6=23-3-4=79-10+5=
40+20=48+9=28-7-8=70-20+6=
90-40=68+6=73-8-6=86-10+10=
72-10=91-8=59-4-5=80-70+9=
70-50=54-7=58-5-5=71-30+12=
70-20=15+7=69-5-2=90-50+2=
30+20=69-3=64+2-1=64-20+7=
10+20=31+1=60-1-9=70-50+19=
30-10=90+1=84+1-6=90-80+7=
70-40=40+4=34-5-6=90-20-15=
90-80=26-1=70-8-7=67-40+12=
80-50=42+3=81-8-8=50-10+13=
80-10=34+3=43-4-6=60-40+19=
50-30=71-3=77+2-7=70-60+18=
90-80=88-4=41+8-6=90-70-6=
90-50=70+3=86-6-5=50-10-17=
63-60=57-3=63-8-6=86-40+11=
80-70=32+7=77-3-7=85-50+5=
80-70=34-6=31+7-1=63-20+12=
10+10=12+4=30+7-9=20-10-19=
88-10=49+7=65-4-4=80-70+7=
70-50=57+4=53-9-4=81-10+5=
20+30=68-1=42-6-6=80-70-18=
87-10=29-0=43-7-6=68-10+14=
93-60=65-9=37-7-8=90-70-4=
70-30=69-7=17-2-3=60-30-3=
88-40=67-7=66-8-5=90-30-9=
68-20=74-8=24+9-9=87-10+17=
70-30=70+8=26+3-1=80-70-17=
61-60=53-6=86-9-6=87-40+11=
70-60=24-4=31-8-6=60-50-13=
93-20=70+3=34+3-5=64-50+17=
90-80=34+2=46+6-4=77-30+14=
40-30=37-6=21-5-7=90-40+9=
20+20=28+6=89+5-9=50-30-11=
50+10=36-0=58+8-7=50-20+13=
50+10=60-3=49+2-5=50-10+13=
20+10=39-5=38-5-2=63-20+20=
92-10=48+9=32-9-4=80-20+1=
50+30=72-2=27+1-5=70-40+20=
30+10=86+1=28+2-4=62-40+15=
90-80=81-1=36+2-2=80-60-10=
20+20=62-8=54+2-1=88-50+9=
70-40=74+7=52+5-7=64-10+10=
90-80=39-8=81+1-6=75-30+17=
30+40=14+9=60-5-5=71-50+11=
30+30=53+6=53+5-7=68-20+5=
30+30=53-2=52+6-6=80-60+5=
67-50=48-9=51-5-9=81-30+20=
84-10=52-0=63+1-8=89-30+3=
90-70=15-4=30+9-2=70-50-6=
73-40=55+3=26-1-6=20-10-7=
20+20=53-5=21-9-2=70-20+18=
70-20=55-5=52-9-2=88-60+19=
40+20=16+6=47+1-2=60-30+5=
90-80=95-5=81-1-9=80-30-7=
50+20=61+1=21-8-5=80-30+14=
90-80=96-7=19+1-5=75-10+4=
88-40=41+1=53-4-8=90-80-11=
82-10=56+4=18-4-6=72-60+3=
77-10=20+8=46+9-2=84-50+5=
74-40=11-4=71-2-6=66-60+15=
60-40=34+9=55+7-5=76-40+4=
50+40=43-7=55-3-8=64-20+8=
87-60=88+6=41+1-4=66-20+1=
20+20=53+5=11+3-1=90-50-11=
50+30=40-4=11+7-6=80-30+7=
82-40=51-8=75+9-3=80-40-17=
94-30=13+7=49+6-5=20-10+17=
60-50=85+7=19-5-3=80-50-4=
94-10=11+8=85+9-6=90-70+5=
20+10=45-3=73+5-8=89-30+1=
75-20=81-0=48-4-4=89-30+10=
90-70=96-1=87+5-5=70-30+2=
89-30=67-4=53+9-7=75-50+20=
80-10=23-3=66-4-1=90-80+16=
60-50=88-4=17-4-2=84-10+10=
10+40=25-9=45+7-6=80-20+18=
50+10=39-6=51-4-2=78-30+18=
60-20=71-9=50+5-1=40-10+16=
30+20=76-7=13-6-4=86-50+6=
70-20=91-1=23+7-9=80-30+18=
80-30=35+5=82-6-7=89-50+12=
50+40=73-5=51-9-1=76-40+17=
86-60=72-9=73+5-7=70-40-18=
98-10=68-9=52+7-4=80-60+9=
40+20=80-3=45-7-9=82-40+1=
30+10=45-2=51+3-2=70-10-14=
50-10=78-1=80-6-4=64-30+20=
96-50=56+6=33+7-7=83-20+5=
40+20=80+8=46+3-8=85-50+15=
90-10=68-7=32-1-5=90-70+1=
80-30=67+9=48-5-5=90-60+9=
30+20=66+8=35-9-9=72-60+16=
90-70=66+2=55-7-8=90-80+7=
20+20=71-6=87-4-6=81-40+12=
90-80=82-8=89+6-3=63-10+1=
60-40=81+5=52-6-8=40-20-7=
70-60=91-6=62-9-3=70-40-15=
20+10=85-4=82-9-7=80-20+16=
90-60=73-4=89-4-7=79-20+19=
99-10=93-3=61+9-4=60-50+1=
70-60=97-7=73-3-9=90-10+2=
80-50=86-2=75+4-7=90-60-16=
30+20=81-3=21-6-5=60-20-11=
20+10=28+8=65+9-8=70-10+6=
78-40=82-2=67+7-8=70-60+17=
90-80=97-2=64+7-1=72-30+5=
50+30=69-5=25+5-3=74-30+10=
90-80=56-6=64+1-6=67-10+19=
80-70=85-1=53-8-9=80-10+1=
20+30=80-6=52-8-9=50-10+15=
92-30=27-7=78-8-7=84-10+9=
89-10=32-4=43-8-2=60-40-6=
40+30=10+7=70-6-1=71-50+4=
40+10=36+4=82-5-4=89-20+8=
60-40=91-8=54+8-7=40-20+2=
10+40=10+3=52-8-8=87-50+8=
71-10=54+9=50+5-4=82-30+15=
70-60=41+2=86+1-9=70-30-7=
50-30=17+5=21+3-3=74-10+20=
90-50=15+1=35-3-5=70-20+13=
90-70=33-1=33-4-3=20-10-8=
10+10=93-8=38-2-3=90-80+12=
80-60=54+2=66+4-3=80-70+9=
79-30=84-5=83-6-3=90-80+13=
20+20=31+7=72+7-5=71-40+4=
30+40=53+3=28+7-4=77-20+6=
90-40=81+6=13-3-2=63-50+9=
90-60=19-9=29-5-6=60-40+12=
80-60=87+8=62+6-6=69-40+6=
61-30=49+2=78-8-8=70-40+2=
65-10=71+7=65-8-8=90-20-4=
40+10=58+7=22-3-2=83-20+3=
60-20=68-6=51+6-4=80-20+16=
71-40=37-2=22-9-6=70-60+20=
80-70=34-7=73+4-8=80-60+6=
73-20=19+5=47+8-4=75-60+2=
90-80=99-6=79+7-9=80-