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