一年级数学下册口算宝典200.docx
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一年级数学下册口算宝典200.docx
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一年级数学下册口算宝典200
80-30=51+1=22-5-2=80-50-11=
79-20=40+2=51-5-4=80-20+7=
50+40=13-9=37-6-1=79-10+15=
50+40=48-5=34+7-9=62-30+5=
50-10=23+1=12+1-9=69-20+15=
10+30=87+8=83-9-7=80-70+3=
80-10=13+1=35+5-6=87-30+13=
91-60=38-6=25+8-2=90-50+14=
80-50=80-1=21-4-7=64-20+19=
50+20=27+2=22-9-1=50-40+6=
20-10=14+7=62+6-6=90-80-7=
95-40=35+9=78+2-9=90-80+3=
84-40=57+9=21-8-5=66-40+10=
40+40=25-6=26-7-6=80-70-11=
50-30=55-7=20-2-2=78-50+15=
90-80=75-6=42-8-6=66-60+20=
80-50=66-6=70+4-1=90-70-9=
80-70=86-8=28+6-7=70-40+4=
30+40=65+4=35-8-9=66-20+5=
30+20=35+7=81+8-7=90-80+18=
40+20=33-2=81-9-2=60-30+9=
40-30=91-2=18+5-6=64-20+12=
92-60=59+5=76-7-3=70-40-4=
90-40=72-5=86-2-8=80-70-7=
30+20=49+5=49+3-6=61-50+7=
62-60=38-9=10+9-2=60-40-5=
94-20=58+4=65-6-5=80-30-12=
30+20=46-3=65+9-5=80-30+16=
94-10=97-1=23+5-3=50-40-17=
30+20=53+7=65-9-2=72-40+14=
65-60=82+4=77+9-3=86-10+19=
30+20=58-6=90+8-5=70-50-8=
50+40=89+1=18+4-7=80-50+14=
40+30=10+8=29-9-8=68-10+6=
40-20=21+6=66+3-1=80-20+19=
61-30=72+9=70-1-8=80-20-15=
30+30=75-8=13+8-8=50-40-14=
40+20=17-2=37+7-9=64-40+5=
30+30=67+6=18-1-1=88-20+9=
68-10=88+6=73+6-2=90-60+12=
78-30=27+3=58-1-9=30-20+11=
80-70=90-0=35+8-1=73-30+12=
90-50=16-5=78+9-9=90-40-17=
60-30=57+5=89-7-7=70-60+6=
20+40=40+8=41+4-1=60-30+9=
40+20=19-8=65-3-7=80-20-17=
30+40=89+5=84+9-1=83-40+11=
95-10=92-6=58+4-1=60-30+4=
30+30=59-7=74+5-4=78-10+14=
80-70=84+5=22-6-1=84-40+19=
90-80=52-3=21-6-5=90-80-1=
40+10=70-8=78-3-5=81-50+1=
90-40=20+3=68+6-5=75-30+18=
20+10=50+9=17+6-3=87-10+4=
66-60=91-1=39-7-7=70-20-7=
30+30=58-4=35-8-6=50-30-13=
20+30=19+7=35+4-9=40-30+18=
86-10=36+8=46+2-2=40-30+17=
30+40=83+9=57+8-3=86-60+4=
88-60=26-3=31-3-3=87-30+20=
40+40=79+8=50+2-7=70-40+13=
30-20=79-5=84-6-7=82-10+14=
90-60=64+3=55-8-1=80-70-9=
50+40=27+2=70-5-7=70-30+19=
98-60=95-0=22-4-2=75-60+18=
71-40=35-7=72+3-2=50-40+11=
99-20=50+3=83+4-9=66-50+3=
63-40=59+7=45+8-4=90-70-1=
40+20=34+5=82-4-2=66-10+2=
90-80=43+1=44+7-6=80-60+19=
77-20=79-2=83-6-3=68-60+12=
97-10=33-3=83+2-9=67-10+9=
20+40=44+2=65+6-3=74-10+7=
30+20=27-7=76-4-3=70-40+18=
64-60=98-2=36+5-5=79-20+13=
50-20=43-6=50-9-3=75-50+5=
76-20=23+7=45+2-9=71-50+13=
40+40=90+2=22-3-6=81-10+9=
80-30=62-3=18-8-8=89-40+14=
50-40=63-2=89+9-8=69-30+5=
90-80=16-4=76+5-8=50-10+15=
96-40=44+6=53+8-4=60-50-7=
77-60=78+7=70+6-1=90-80-17=
90-60=90-8=55-4-5=73-10+14=
80-70=57+7=38-7-7=70-50+5=
10+20=82+3=80+1-9=90-40+11=
66-30=15+3=76+7-2=81-20+11=
60-20=32+6=82-6-6=70-40+1=
10+10=76+3=80-4-1=85-20+1=
99-20=60+4=87-2-4=80-10+5=
88-10=18+2=69+7-7=30-20+7=
90-70=11+7=68-5-8=90-10-13=
81-60=48-2=57-7-3=74-20+1=
80-20=68-3=74-2-1=69-60+3=
90-70=17-0=21-5-5=85-60+15=
84-40=72-4=27-1-2=70-50-11=
70-50=23-1=87+4-2=86-50+18=
50+20=81+6=67-7-4=90-80+18=
90-50=57-0=42-9-8=90-60-18=
20+10=58+6=33-4-9=88-30+3=
60-20=14+2=43+9-4=74-20+13=
10+20=76+1=29+2-6=66-60+17=
90-80=68-0=70-4-9=90-70-3=
80-50=88+3=59+8-7=50-30-4=
78-40=64-2=27-1-9=86-30+10=
70-50=75+3=25+2-6=50-30-4=
50+20=29-6=47+3-4=80-20+1=
97-60=30-4=57+3-2=89-50+20=
73-10=36+7=83-3-4=74-40+7=
50+10=38-4=48+9-6=70-30+6=
78-50=74-9=75-4-4=90-70-19=
65-50=90-5=56-9-3=73-10+15=
30+10=76+8=67-3-3=62-60+4=
20+10=18+3=69-3-3=87-60+15=
80-30=83-0=85-3-1=63-50+9=
80-60=61+7=82+4-8=70-40+14=
65-10=21+5=30+7-6=62-20+6=
20+40=64-1=26+2-8=64-20+3=
90-80=70-7=90-3-8=88-60+15=
50+20=13+8=84+9-6=90-10-7=
90-70=39-1=68-3-3=75-60+14=
80-20=33-5=86+1-9=75-40+13=
80-20=47+7=68+4-8=68-60+10=
88-50=46+7=67+8-8=61-10+7=
50+20=57-0=12-1-1=89-60+11=
87-20=22-4=37-1-1=90-80+2=
20+40=36+8=73+4-6=82-60+9=
94-50=39+6=21-9-1=70-20-16=
20+30=78+8=82-3-3=50-20+17=
20+30=86-5=58-5-3=85-30+10=
86-50=68-6=69+6-6=61-10+20=
30+20=15+3=69-2-2=70-20+5=
10+40=56+4=50+8-1=89-60+4=
60-50=22+7=85-5-4=80-20+19=
90-50=34+5=55-8-6=30-20+14=
70-30=93-2=65-4-8=90-30-6=
30+20=81+1=89-2-7=80-20+17=
74-10=74+2=33+7-1=90-10-2=
70-40=89-3=59-9-5=69-40+10=
20+10=38+4=57-1-9=90-70+7=
10+10=59+7=31+9-6=50-30-9=
50-40=48-5=19+1-3=71-10+6=
80-40=14+6=69+5-2=50-40+3=
50+40=78-5=45+6-4=90-70+2=
40-10=62+1=73-2-5=60-50+17=
90-70=80+6=36+8-9=70-20+4=
94-20=73+4=30+7-4=88-40+2=
20+30=51+1=22-1-8=50-40+14=
80-40=45-1=67-2-7=90-30-10=
80-10=69+5=52+8-3=90-80+11=
63-40=53-2=30-2-6=67-60+6=
66-20=34-9=77-4-9=60-10+18=
40+10=47+4=60+4-4=72-10+3=
50+20=88-6=12+2-1=70-10-9=
90-50=31+7=81-6-1=90-50-8=
50+10=13-6=32+8-8=61-30+1=
80-50=21-3=44-4-7=62-30+20=
40+10=83-2=37-7-3=80-60-11=
20+10=44-5=88+7-7=81-20+10=
40+20=55-6=43-4-9=80-70+17=
64-30=89+5=80+7-7=74-40+17=
68-10=30+5=42+7-1=73-60+18=
90-70=60+1=10-9-1=90-80+15=
80-70=14+4=59-9-5=63-30+17=
80-30=74+8=25-4-9=84-50+10=
88-60=75-0=21-9-6=63-10+17=
63-10=43+2=32+9-9=71-20+7=
96-20=39-3=90+3-6=66-40+2=
40+30=76+3=73-3-3=40-30+3=
40+10=58-7=60+2-9=84-20+11=
40+30=26+6=77+6-8=78-20+3=
80-50=82+4=60+6-7=30-10-8=
90-70=60+2=56-3-3=80-50-17=
20+30=50-5=54-9-6=83-50+7=
90-40=85-4=49+9-5=77-10+9=
74-50=86-8=32+4-5=90-80+18=
70-20=40+6=72+3-2=72-60+17=
40+30=48-9=15-8-6=87-50+15=
40+40=82+2=45-8-9=64-20+14=
76-60=92-2=35-5-2=78-60+12=
96-60=42-1=22-8-7=77-50+12=
70-40=84+4=79-8-8=86-20+5=
77-10=67-5=21-7-7=70-40+19=
50+20=45+7=72+6-7=86-40+15=
10+20=73+9=33-3-5=65-20+12=
95-60=71+7=78-8-4=90-40+4=
30+10=82+4=71+8-1=70-10+7=
98-50=66+2=22+8-8=90-80+1=
76-10=85-3=73-7-8=75-50+1=
30+10=39+2=49-9-4=50-30+5=
10+20=47+9=66-7-6=80-50+2=
30+40=65+1=77-5-3=69-20+20=
70-40=73-9=36-3-5=63-10+14=
80-10=54+9=61+9-7=72-40+7=
77-50=18-9=61+5-6=64-10+11=
70-40=34+1=72-5-3=90-80-6=
70-50=91-1=64+5-2=60-10+2=
76-30=16+4=88-8-4=64-20+20=
40-20=85-2=35-7-9=90-60+1=
20+20=19-6=23+2-5=61-50+1=
80-70=18-8=12+1-4=88-30+2=
10+10=30+5=10+7-1=90-80+8=
30+10=36-2=42-8-9=80-30+18=
86-50=28+8=15-6-6=67-60+13=
90-40=65-0=54+2-8=80-60+13=
50+30=82-0=57+2-5=74-40+18=
87-10=75+5=16+7-4=90-50-16=
87-50=27+3=88+5-3=90-10-11=
30-10=36+1=52-8-9=70-10+8=
10+10=33+7=27+6-4=90-70+6=
90-80=37+3=44-4-9=80-50+8=
50-30=20+2=61+1-4=90-30-10=
90-60=83+8=36+8-2=90-80+15=
99-20=36-2=90-5-1=63-60+11=
84-30=21-3=69-7-9=75-40+3=
70-40=31-6=26-8-8=90-80+8=
60-50=92-7=37-5-3=85-40+4=
10+40=47+5=77-1-6=68-50+15=
40-30=74-5=45+9-8=50-20-3=
10+40=34-1=58+8-2=80-20-3=
92-40=53+7=42+7-4=60-20+15=
70-20=83+6=69-8-6=77-60+16=
83-60=47-1=27+9-5=76-30+15=
20+10=78-1=53+4-1=80-70-7=
70-20=67-2=78-7-4=81-10+14=
70-10=98-4=10-5-8=90-70-9=
65-50=17-5=20+5-4=69-40+16=
80-40=85-6=39-2-5=62-50+13=
97-10=61-1=82+9-3=80-40+6=
80-50=79-1=42-7-7=68-30+20=
40+10=44+6=26-7-4=65-50+13=
99-10=32+4=40+5-3=83-50+12=
92-30=20-7=45+7-5=70-50+5=
40+40=48-5=54+6-7=73-20+4=
60-50=23-1=16-3-9=75-30+20=
90-60=76+8=81-6-9=90-80+15=
10+40=86-6=52+9-8=85-40+7=
90-60=54-6=86+1-2=80-30+5=
91-40=73-9=28-6-9=70-30-11=
99-30=37+8=21-6-7=80-70+18=
64-30=92-1=90+1-4=90-10+18=
75-50=78-5=59+4-3=83-40+6=
80-30=56+3=15+6-7=82-30+15=
87-40=55+5=68+5-5=70-50+18=
96-10=83+8=62+2-8=63-20+19=
98-10=45+9=33+7-4=60-10+8=
87-50=36-7=49+3-7=80-70-15=
30-10=73-7=58-3-8=60-50-15=
20+10=63+2=35-7-4=84-10+5=
67-60=13-1=41+4-1=70-10+15=
20+30=93-1=36+7-9=62-30+4=
30-20=92-2=74-9-1=77-60+3=
40+30=47+4=32+8-1=74-30+9=
86-50=35+5=84+2-2=70-30-14=
90-80=54+8=78-9-3=68-20+2=
77-60=21+3=79+5-7=88-10+12=
50-40=61-5=45-1-3=73-40+16=
10+20=96-5=89+9-6=89-20+17=
20+20=16+1=15-5-7=90-70+16=
40+30=53+9=88+4-5=80-70-1=
60-40=68-4=43-7-1=68-20+8=
80-30=53+5=58-7-6=90-70+7=
62-10=54+4=70+5-1=90-80-9=
68-60=52+7=85+1-4=65-50+18=
98-50=89+4=54-3-9=68-20+7=
40-20=59+9=55+8-7=81-40+6=
66-10=38+2=44-9-3=40-20+12=
80-40=31-0=45-3-2=70-50+8=
10+20=54+5=47+7-3=80-70-17=
76-10=61+5=50+4-1=87-50+4=
10+40=55+9=76-5-1=70-10+14=
81-50=41+1=44+3-4=86-50+17=
40+20=51-0=46+6-6=80-70-13=
83-20=46+1=78+4-6=82-60+19=
94-30=78+3=52-4-4=72-50+5=
91-40=54+2=50-3-3=70-20+18=
30+10=18+8=50-2-9=90-70+12=
90-80=42-5=50+6-9=64-20+10=
80-60=91-0=86-1-5=90-40-9=
90-40=52+6=57-1-3=90-20-8=
79-20=28+8=67+2-2=30-10+1=
20+20=62+5=54-2-4=90-80+4=
20+40=69-5=85+2-9=63-50+5=
85-10=39-6=74-5-8=67-10+17=
88-10=47+5=22-9-4=61-60+16=
64-40=39+9=50+3-5=40-20+16=
78-40=51+2=85-9-4=40-30+10=
20+20=11+5=30+4-1=60-30+7=
40+20=22-4=48+4-8=90-40+8=
79
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