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