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