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