一年级数学下册口算宝典183.docx
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一年级数学下册口算宝典183
65-10=27-8=36+2-5=90-50+2=
50+10=10+4=63-4-5=20-10+1=
90-80=56-8=89+3-2=83-40+8=
70-60=49-5=59+1-7=90-80+13=
98-50=65+1=57-8-5=68-40+15=
90-80=30+5=28-1-3=60-30+4=
86-30=63+8=75+7-3=80-30+2=
95-20=25+5=63+7-3=40-20+17=
90-80=80+8=21+8-1=71-60+16=
40+40=12+6=82-2-7=90-20+1=
30+20=76+3=28-1-1=63-10+15=
70-60=46+5=46+2-4=80-40+13=
70-50=72-6=86+5-5=90-80+16=
90-20=71-6=66+8-2=70-60+11=
40+30=64-9=24-3-8=81-20+9=
40+40=48-4=80-5-9=80-30+3=
60-30=47+2=56-6-8=80-70+15=
80-50=78+5=12+9-3=80-60-11=
64-60=31-6=74+4-2=70-30-15=
90-10=52+9=69+1-6=90-80-14=
69-30=56-4=47-6-3=73-10+7=
10+20=84+3=58-1-1=70-50+1=
67-50=78+2=89-1-7=80-50+7=
20-10=86+4=32-5-4=72-20+9=
50+10=79-9=84-4-7=80-60-15=
10+30=85+3=24+8-5=81-40+15=
90-80=56+7=57-4-6=50-20-12=
79-60=58-3=31+7-3=70-20-2=
10+40=83+9=61+6-1=60-40+17=
72-40=76-3=50+5-3=61-50+15=
10+30=34+7=55-3-2=90-40-11=
40+20=61-3=90-7-5=66-10+14=
81-20=37-9=61-3-5=60-40-3=
99-40=63-3=89+7-4=74-10+2=
70-20=14+9=72+5-2=80-10+1=
80-30=71-0=14+3-9=90-80+15=
80-40=59+7=27-9-6=90-70+17=
78-40=76-2=69+8-3=40-10+4=
90-70=19+2=42-5-4=70-20+5=
90-70=57-7=87-6-8=75-20+1=
68-10=82+5=62-7-2=90-80+4=
67-60=75+5=24-2-9=85-40+5=
50+20=48+8=88+1-3=90-10-2=
50+10=67-9=68+6-1=65-40+11=
62-30=73+2=87+4-5=75-40+6=
90-80=15+9=90-5-6=63-60+20=
73-20=52-2=34-9-6=85-10+1=
82-40=81-3=14+1-8=70-50+13=
70-50=96-4=36-8-2=86-40+6=
30+40=16-8=18+9-4=70-10+1=
70-10=35+2=65-8-7=90-70+4=
91-50=57-9=52-1-4=90-60+17=
76-40=59+2=75+9-9=71-30+20=
20+20=96-0=75-8-6=63-10+1=
80-20=58+3=27-2-7=70-50+12=
20+10=46-9=15+9-1=90-70-2=
99-60=41+3=86-1-4=66-40+19=
30+30=44-0=50+9-8=77-10+7=
90-80=63-8=68+7-1=86-40+1=
30+30=27-3=36-5-2=89-40+1=
40+40=17+1=67-2-7=90-80+12=
80-50=53-2=55+8-9=80-40+14=
30+10=47+8=27+3-6=60-40+14=
60-30=37+5=90+3-8=63-20+10=
83-40=84-8=60-1-5=87-40+11=
90-10=67-5=13-3-4=76-40+16=
40+30=87-2=56-8-8=84-30+12=
90-80=14-0=46-6-4=64-30+18=
60-40=61+9=44-5-3=80-20+10=
60-40=85-6=59+8-4=70-50+5=
40+10=78-5=49+4-2=63-60+5=
30+20=61+3=64+1-6=90-70-7=
90-30=78-9=66+7-8=40-30-2=
50-40=58+2=76+7-2=88-20+12=
91-60=42-3=14-4-9=67-60+10=
61-10=64-2=29-2-7=50-30+1=
90-40=12-2=90-7-3=66-30+15=
92-40=21+7=59-4-7=64-20+12=
80-30=16+2=69-7-5=87-10+11=
20+10=79-3=48+4-8=90-80+10=
50+40=66+4=19+8-6=72-40+4=
90-40=20-5=66-4-3=83-10+11=
30+40=48-0=13-3-5=82-10+11=
10+40=64+5=46+8-7=80-10+13=
40+40=33-6=43+8-4=90-60+5=
80-50=37+4=70+5-9=80-70-19=
90-80=11+3=38-5-3=60-40+12=
40+40=84-0=69+3-8=83-50+11=
80-70=88-3=33-9-4=90-80-18=
80-20=47-1=39-9-9=67-30+16=
70-60=21-3=11+4-9=80-70-7=
87-20=25-3=11-5-1=71-20+8=
80-10=28+1=74-4-8=77-50+17=
88-20=77-5=11-6-9=84-30+12=
72-20=60+8=78-2-5=81-20+11=
80-70=27-0=76-4-1=86-30+1=
10+30=77+5=81-3-9=60-50+15=
30+20=25-6=48+6-6=90-70+4=
65-30=87-0=47+4-1=66-50+8=
30+30=64+8=49+8-1=77-30+15=
40+40=97-9=38+7-5=88-60+17=
10+30=31-7=31+7-4=90-10+8=
10+10=63+5=20-4-5=83-10+20=
61-20=13-1=86-3-7=75-40+14=
80-40=77-3=12-6-8=88-20+9=
10+30=83-3=18-5-5=40-20+12=
99-60=84-1=41-2-9=90-70-14=
71-60=87+8=28-2-8=30-10+6=
40+40=58-6=23-8-6=63-40+15=
60-50=52-5=41-9-6=90-80-8=
20+20=31-6=41+7-2=40-20-7=
90-60=20+7=46-7-4=88-60+17=
10+10=55+6=52-4-3=70-20+18=
80-30=76-9=57-5-8=80-40-10=
50+20=11+9=64-5-6=70-60+9=
62-10=75-6=59+7-2=90-40+11=
10+30=48-2=20+3-4=90-80-3=
10+40=46+4=38+3-1=80-50-1=
86-20=65+4=68+5-6=40-30-14=
88-40=12-0=41-4-5=72-10+4=
90-20=56-3=37-6-3=73-40+4=
76-30=75+6=48-7-2=88-30+3=
30+10=83+7=88+6-1=90-70+9=
60-10=24-3=31-1-7=86-60+4=
83-50=31-2=21-1-8=79-40+2=
80-10=74+8=80-7-6=85-50+12=
30+30=25-1=35+4-1=70-40+11=
40+20=74-4=67-3-5=70-50-12=
50-20=73+7=50-8-7=75-60+5=
40-10=55+2=52+8-1=90-70-5=
99-20=68+2=84+3-3=65-20+9=
40+20=88-7=89+4-3=80-70+4=
90-40=42+3=84-2-4=89-20+6=
40+10=53-9=42+9-9=90-70-9=
50-20=15+8=27+7-2=50-30-12=
70-30=72-4=34-4-9=87-60+3=
20+10=20-5=27+6-7=80-60-19=
50+30=73-7=80+2-7=63-30+10=
82-20=54+7=11+5-3=62-40+12=
79-50=56+6=83+1-8=88-60+4=
40+40=18+5=83-5-7=20-10-8=
30+30=39+6=29-3-1=84-60+20=
50+40=53+5=69+3-5=30-10+9=
30+10=45+4=63+5-8=70-40+15=
20-10=39+2=76+7-9=61-30+5=
70-40=89+5=64-1-7=83-60+3=
66-30=17+9=48+1-8=73-20+15=
40+30=67-8=19-3-9=80-30-14=
89-60=25+6=85+7-8=81-20+5=
20+30=12+3=49+5-5=50-30-9=
89-10=79+8=13+3-9=70-20+11=
30+10=52-3=63-8-6=70-50+3=
80-50=24+8=51-6-1=50-40-4=
70-60=76+8=81+4-6=88-40+18=
70-60=73+5=45-9-3=50-20+5=
70-40=79+6=54-8-7=50-20-10=
70-50=41+4=17+2-5=76-20+18=
20+10=16-1=28+4-6=80-60+14=
65-60=58-0=54-6-7=90-80+14=
30+20=44+5=67-3-9=90-70-15=
20+20=21+2=24-2-3=90-80-8=
68-50=42+5=77-6-2=87-20+3=
40+20=27-7=15-3-6=80-60+1=
82-50=42+6=63-5-5=68-20+5=
90-80=44-8=13+9-7=84-30+4=
10+40=97-4=37-7-2=20-10-1=
90-70=48-2=16-4-3=84-60+13=
70-50=36-4=70-2-9=40-20+8=
73-40=52-3=15+8-6=90-70-12=
30+30=55+4=58+8-3=83-30+10=
80-60=29-7=55+3-7=90-80+14=
40+40=76+5=87+4-7=70-40-6=
50+30=51+2=21-7-8=90-70+2=
81-40=61-7=50+6-6=76-60+15=
83-60=78+7=23-6-8=71-20+16=
90-80=32-3=11+9-2=86-10+17=
90-60=25+8=81-2-6=70-60+5=
30-10=97-8=55-2-4=90-70+19=
94-20=42-4=33+1-8=80-70-16=
20+30=21+2=17+7-7=63-10+17=
20+20=57-5=72-4-8=90-70-13=
20+40=78-6=67-5-1=77-40+7=
80-20=93-2=71+2-7=87-20+18=
40+30=48-2=80+7-8=90-40-2=
20+40=84+7=72+1-1=90-10+8=
10+20=89-8=21-8-3=79-30+17=
69-20=47-3=71+5-5=67-30+10=
60-20=60+5=78-4-7=80-70+8=
40+10=63+8=72-4-3=40-30-8=
90-80=92-3=58-8-2=85-10+4=
95-40=79-1=75+8-7=50-10-4=
70-30=44+5=21-2-4=80-60-17=
40-30=93-3=62-4-6=90-80-1=
30+30=58+1=44-3-4=87-40+18=
62-30=11+5=55-3-9=61-60+3=
94-20=98-2=85+5-8=90-60-7=
64-20=73-3=27-6-4=90-80+9=
20+10=21+3=65-1-4=85-40+2=
80-70=33-9=62-5-6=80-60+9=
85-10=27+6=15-9-7=66-60+9=
20+10=39-7=48+2-3=90-70+7=
30+30=90+4=48+2-4=80-10+19=
10+20=36-4=12+3-7=83-50+1=
90-70=47-9=50-6-1=75-30+8=
80-30=86+7=80-5-8=80-50-17=
10+40=69+4=74+9-6=69-20+3=
90-60=28+6=80-2-1=84-10+9=
10+30=78+9=26-6-4=73-10+7=
90-70=95-3=87-3-4=61-60+7=
66-40=54-5=37-2-1=40-30+1=
20+30=27-2=60-1-1=87-50+16=
66-20=59+2=78+7-2=70-50-18=
40-10=44-1=25-9-9=67-60+8=
70-50=17+6=82+2-2=30-20+6=
80-50=31+6=75+6-9=64-40+20=
80-60=80+3=32+4-4=74-60+16=
96-40=35-7=67+3-4=90-80+16=
50+20=30-0=18+7-9=70-30+9=
40-20=33+8=50+6-7=80-40-12=
20-10=17-0=54+6-6=80-50-5=
80-40=19+7=41+3-3=80-10+9=
80-60=39+1=30-1-9=89-20+1=
10+10=24+3=56-3-4=65-10+14=
40-10=30-6=71+3-6=89-60+6=
30+30=34+8=64+2-2=50-10+7=
61-40=57-2=71+4-9=83-40+18=
40+10=85-7=11+5-2=87-10+19=
50+10=86-4=46+6-4=82-30+16=
40+20=68-7=89-9-6=78-10+1=
40+30=34+9=21-6-1=90-60+15=
30+10=95-2=33+2-7=90-30-10=
10+30=53+1=12-1-3=80-30+1=
60-50=31-1=23+6-9=83-30+10=
90-10=54+8=41-3-4=70-60+15=
50+20=13-6=68+1-5=72-20+9=
20+40=98-4=59-9-2=50-10+5=
40+30=24-1=57+4-3=72-60+14=
79-60=54+1=57-1-3=85-40+2=
61-10=76+8=65+2-3=74-50+7=
10+30=53-4=49+7-2=90-80+16=
69-60=26-1=63+6-9=87-20+5=
70-50=58-2=39+2-3=75-10+20=
70-50=22+6=90-6-2=82-40+5=
50-40=84-7=83-4-3=60-10+19=
20+20=61+2=59+7-4=60-50+1=
70-60=15+6=46-1-5=80-10-5=
40+40=78+6=35+6-8=63-50+9=
40-20=40-0=32-8-6=80-50+18=
90-80=83-7=81+2-3=66-10+9=
50-10=65+8=78-4-1=60-40-15=
40+20=12+9=58-4-7=88-40+18=
40+40=85-3=88-5-9=83-40+14=
30-10=61-3=10+8-5=80-10+4=
40+20=45+5=60-1-5=70-10+1=
60-50=35+4=43-8-6=50-10-2=
96-20=91-3=11-3-3=50-40+12=
20+40=90-1=32+4-9=90-50+15=
98-60=33+3=51+3-8=84-30+17=
90-50=55+1=63-2-9=78-30+14=
50+20=16-7=24+5-8=30-20-7=
50+20=25+6=37+8-8=80-50+7=
73-50=63-8=10+5-2=90-80+1=
80-60=83-9=77-7-5=90-10-17=
60-10=95-3=88+1-2=72-30+15=
61-60=41+4=55-7-4=66-30+3=
74-40=20+1=32+6-1=80-70-17=
80-60=38+5=22-6-4=79-10+2=
20+20=31-4=61-4-6=90-80-18=
90-40=46+4=53-3-3=80-40+8=
50+40=82-2=72-1-8=90-50+14=
92-40=82+8=71-4-7=74-30+15=
96-20=73+8=62+3-2=90-50+13=
20-10=56-3=37-7-6=75-30+13=
20+40=73-2=50+4-1=84-40+14=
80-70=39+2=73-4-3=72-10+3=
88-20=64+2=82+1-1=62-40+20=
64-20=37+4=61-7-5=90-80-2=
50+20=82+6=30+5-1=90-60+9=
10+10=32+1=29-1-3=64-30+18=
97-20=20-0=47-5-3=90-80+19=
82-60=16+4=42-5-7=61-30+9=
40+40=83+4=82-8-8=87-60+2=
70-40=87+5=67-6-9=80-70+18=
70-50=66+5=45+4-8=80-50-6=
10+40=20-1=57+2-4=80-60-5=
60-30=54+5=72-4-5=77-30+7=
40+30=89-9=21+4-6=70-50-19=
96-10=45-1=63-2-5=60-10+3=
40+40=50+3=38-5-3=90-50-4=
40+40=20+7=