一年级数学下册口算宝典153.docx
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一年级数学下册口算宝典153.docx
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一年级数学下册口算宝典153
90-70=96-4=51+6-4=76-50+1=
40+10=46+6=64+7-2=66-40+6=
50+30=26-1=37-7-5=78-60+13=
60-20=82-0=49+6-7=89-50+6=
20+10=79-8=19+7-8=70-50-5=
50+20=55+3=15+7-3=69-40+2=
72-20=88+9=30+5-1=78-40+5=
90-50=77-4=41-1-1=77-30+3=
10+10=35+2=82-2-7=62-20+17=
74-30=29-9=19+6-6=77-50+18=
30+40=97-1=76-6-5=66-30+15=
80-70=10+7=41-1-2=89-50+3=
30+30=80+4=28+2-7=90-60+14=
90-80=12-3=66-6-4=67-50+5=
70-50=16+9=89-7-2=80-40-3=
80-40=88+7=47+4-9=80-10-13=
80-40=78+6=20+2-3=65-60+7=
60-40=49-4=79-4-1=77-60+12=
80-70=45+4=23+2-3=50-30+2=
90-20=54-4=11-3-1=70-10+9=
90-40=64+7=69-6-4=70-40-13=
60-40=99-0=89+2-4=80-50+6=
90-80=31+9=50-7-4=67-60+12=
80-60=72+8=71+2-7=76-30+3=
94-60=51+9=38+5-6=65-60+3=
40-30=71+4=62-9-7=90-50-9=
86-10=86-6=33+1-1=65-60+13=
20+20=34-1=54+5-3=80-20+6=
20+10=25-5=34-7-7=90-50-5=
80-40=71-8=38+4-4=81-60+3=
76-50=86-1=73+3-5=90-80-3=
64-60=36-4=19-8-9=90-80+11=
50+40=59-7=90-5-4=80-20+18=
30+20=76+5=10+5-8=90-70-11=
10+30=22+2=89-3-1=30-10-2=
72-60=88-8=62-6-5=80-60+3=
70-20=49-5=53+6-9=40-20-7=
90-70=51-6=78+6-7=61-40+16=
88-10=33-9=74+5-8=80-40+19=
90-80=41-7=52-5-3=81-30+17=
50+10=29+4=29+2-1=70-20+11=
81-50=31+6=70-9-7=88-40+11=
40+30=15+8=88-5-3=83-60+3=
85-40=79-3=81-7-1=20-10-8=
10+10=64-5=81-2-6=87-20+17=
10+30=51+4=51-2-1=90-70-6=
40+40=11-1=60-9-7=70-40-1=
80-70=30-2=57+7-5=70-30+1=
90-60=78-0=86-2-1=64-50+7=
50+10=29-2=45+6-8=75-60+18=
20+30=32-0=86+3-5=82-60+11=
60-50=50-6=55-9-9=70-60+9=
40-30=43+6=11-4-6=80-30-14=
70-50=78-0=69+9-8=80-60+10=
99-50=68+1=83-5-6=61-20+10=
40+20=91-3=44+8-3=67-60+10=
10+40=69+2=66+4-9=61-60+7=
20+20=32-6=23+1-6=80-60-17=
65-10=59+6=22+1-1=71-30+11=
70-60=67-2=30-8-1=80-60-5=
94-10=16+3=66-5-1=63-20+3=
20+10=40+2=24-3-3=80-10+2=
97-40=21-1=35+5-2=30-20-16=
83-10=50+5=68-3-8=90-80+1=
80-70=22+5=31-5-8=80-30+17=
70-10=24-7=49-6-2=70-20-2=
90-50=90-6=71-8-8=70-60-10=
30+10=27+6=46-4-2=90-80-10=
90-60=68+2=77+8-7=62-50+15=
20+20=37-0=76+7-7=70-50-6=
71-20=13-5=46+7-2=68-60+18=
73-10=72-1=61+6-7=90-20-1=
87-20=38-9=28+6-5=80-70-11=
10+40=76-1=22-6-7=66-60+18=
20+40=74-6=37+6-3=80-60+14=
94-20=32+1=56+8-5=64-50+11=
80-70=46-1=54+4-2=70-60-17=
60-50=54+2=54-7-8=30-10+2=
80-70=48+4=53+3-9=61-30+11=
60-30=18+6=73+9-1=87-20+9=
94-40=81-6=46-9-7=88-60+14=
70-10=27+4=90+9-9=80-40-10=
30-20=46-6=34+2-4=68-10+18=
97-50=16-8=61-6-3=80-40-19=
60-20=22+4=21-2-2=70-40+3=
50+20=57+7=56-2-3=77-30+15=
30+40=39+5=81+7-2=70-10+8=
80-70=46-5=51+2-3=70-50-14=
64-50=88-0=80-8-6=70-60-4=
66-50=63+7=40+7-9=71-50+5=
20+30=11-3=38+5-2=70-20+7=
92-10=19+8=85+3-8=87-20+8=
10+30=53+5=60+2-6=90-40+6=
95-50=52-0=48+8-3=60-20+3=
78-40=82+1=15-2-1=70-40-18=
70-30=60+9=34+6-9=64-40+7=
10+40=82+9=28+7-8=90-10-11=
90-30=92-5=90+5-8=90-50-19=
85-50=78+3=83-8-4=81-10+9=
68-50=16-5=30+2-2=90-80-9=
74-30=12+1=20+1-2=80-20+2=
60-20=86+3=26+9-3=60-30-15=
72-30=22-1=48-9-8=81-50+17=
50+10=58-4=69-1-9=76-30+2=
90-20=10+6=58+2-4=82-30+6=
60-50=64+4=80+2-1=60-20-15=
40+10=30+8=70+5-7=60-30-16=
83-60=34-0=65+3-5=89-40+1=
50-30=58-7=28-8-7=90-80-5=
75-40=61-4=35-8-8=90-80-11=
50+40=31-7=31-5-6=73-20+1=
10+20=85-4=22+8-1=90-30-16=
90-50=67-1=63+4-1=66-40+8=
70-40=78-2=55-7-1=70-50+14=
61-30=26+3=79-4-8=40-20+14=
81-20=24-5=31-4-2=82-40+8=
50-40=71-1=69-3-7=70-10+10=
80-50=20+7=46-3-2=77-20+8=
99-10=58-4=82+4-5=64-30+3=
60-10=44+1=88-4-9=70-40+12=
69-30=44+7=14+4-6=74-20+9=
60-40=22+7=28+4-3=87-10+6=
50+20=92-5=66-9-2=50-10-11=
65-60=77+3=39-7-7=78-60+7=
80-30=81+3=85+2-8=70-40+10=
68-10=63+2=71-6-5=90-80+18=
62-50=22-8=29-5-9=74-30+9=
76-30=17+4=50+8-9=76-40+12=
67-50=88+6=25+1-2=60-10-15=
90-50=38+8=68-7-6=80-60+6=
63-30=38+2=54+6-5=71-50+13=
20+30=53-3=70-9-6=50-20+11=
80-20=25-9=24+3-7=90-70+4=
20+40=23-7=67-2-4=70-40+3=
73-20=62-1=60+5-8=89-30+17=
71-40=88+9=25+7-4=69-50+7=
73-40=53-7=11+8-6=80-70-5=
80-60=65+9=13+1-8=68-10+1=
30+40=84-8=51+8-1=61-50+18=
94-30=40+8=76+4-2=90-80-7=
70-20=59+7=57-5-6=90-10-17=
90-70=80+1=89+1-4=74-40+7=
50+20=38+9=34-4-2=66-50+7=
10+10=27-9=42-3-4=50-20-17=
93-50=70+5=83-9-5=50-20+16=
66-40=15-1=44-9-1=90-80+19=
50+30=63-0=34-6-1=87-60+1=
60-20=34+9=76-9-8=90-10+15=
80-60=65+3=24+4-3=80-50+5=
90-60=52-7=80-3-1=90-80-6=
70-10=51+4=34-8-1=78-50+6=
89-40=46+9=83-5-3=80-70+1=
30+10=66-3=50+9-9=50-40+6=
88-50=57+7=67-3-1=86-60+2=
79-40=14-6=16-4-2=30-10-17=
60-20=11+2=41-2-8=90-40+2=
92-40=87+3=74-4-3=70-40-8=
80-70=46+9=32-2-2=70-50+15=
75-30=30+8=61-1-8=90-70-3=
90-70=75+3=25+5-2=69-60+7=
30+20=71+3=22+2-5=70-60-1=
90-80=90+9=42-1-6=88-50+14=
50+40=81+7=49-4-5=70-60+10=
40+10=89+7=34+1-7=86-20+10=
10+10=83+5=43-9-5=88-50+6=
40+20=65-8=53+6-5=30-20-17=
90-10=84+3=39+6-9=70-20-15=
20+30=93-7=74-3-2=73-40+15=
77-50=56+4=51+5-1=90-80-16=
10+40=57-8=71+4-5=60-50+2=
76-40=83+7=89+7-6=90-60-4=
60-50=33-6=52-4-3=80-10+9=
50+10=48-1=19-7-1=72-40+10=
80-30=14+2=19-8-8=78-50+8=
80-50=56-8=35-9-1=70-40+2=
10+20=68+7=57+6-8=78-20+12=
83-50=74-0=71-5-3=77-40+9=
70-60=18-6=66-2-2=70-60-7=
80-60=14-0=30-5-3=63-60+17=
93-50=63+1=88+3-3=77-10+3=
89-50=34+1=58-4-9=67-20+10=
90-70=19+9=27-3-2=90-80+13=
20+10=59+9=87-5-6=80-60-2=
80-60=30-5=19+8-5=62-50+7=
30+30=29+3=54+2-3=85-50+3=
90-70=63-1=22+9-5=74-10+20=
90-20=51+6=29-6-8=40-30+14=
65-60=93-4=90+1-8=70-50+17=
80-40=45-5=68+5-9=40-30-15=
10+30=85-8=26+5-9=62-10+10=
85-50=36+3=60-2-6=61-30+6=
84-10=26-9=24-4-7=70-20-11=
20+30=96-3=12+8-6=78-20+2=
90-80=87-5=48-5-4=86-50+19=
40+20=29-0=20+3-7=85-40+19=
30+20=30+5=14+7-9=60-50-10=
10+20=37-6=63-4-2=70-20+18=
72-40=76-3=28+1-2=87-20+10=
97-20=60+2=16+2-8=67-20+15=
50+20=66-3=69-3-1=75-10+2=
76-30=86+5=68-3-3=80-40+6=
60-50=20+8=51+6-6=60-40+9=
90-20=14-4=75+2-6=69-40+4=
84-50=17+7=63-9-6=78-20+13=
91-20=96-7=31+6-6=70-60+5=
98-10=71+8=20-9-3=68-50+13=
70-10=78-5=11+6-9=90-80-9=
65-10=57+2=30-8-8=90-70-11=
60-20=98-9=47-4-7=61-10+20=
40+20=48-1=64-3-9=79-20+12=
70-20=43-6=37+5-3=65-20+5=
84-40=41-8=76-6-4=77-60+13=
73-50=35-0=72-8-2=80-60+18=
10+40=68-9=67-5-5=88-50+1=
98-20=30+9=37-4-9=67-60+15=
80-50=35+9=83+1-3=90-80+18=
60-30=40-0=73-2-2=63-20+15=
50+10=40+5=83+5-9=90-70-19=
90-60=90+8=67-1-1=90-70-3=
60-30=55-3=62+5-1=80-30-10=
30+40=11+4=32-8-6=50-20+5=
85-30=47-9=40+8-3=62-60+19=
50+30=85-1=80+4-1=75-50+14=
95-40=47+8=15-1-8=63-10+16=
68-40=89-1=21-3-2=88-60+5=
60-10=23-5=34-7-1=80-60-5=
10+20=57+8=61-4-8=69-50+17=
76-40=47-8=32+7-5=50-40-10=
30-20=88+1=28-1-3=80-20-2=
40+30=55+7=30+4-4=79-60+16=
10+40=26+8=14-5-6=87-30+6=
90-80=90-9=51+9-6=87-10+18=
10+40=85+8=55-5-8=80-60+1=
20+10=29-3=79+4-1=67-30+17=
80-10=93-3=41-5-1=80-10+15=
75-10=43+5=59-2-7=70-50+2=
80-20=27+1=87-2-2=63-50+7=
50-40=46-5=70+2-6=90-50+8=
62-50=33+6=73+1-4=50-10-19=
75-40=40-1=35-8-9=80-70+11=
80-70=28+4=43-4-7=80-70-19=
90-50=64+8=38-6-6=80-70-14=
70-60=57+2=52+7-5=84-30+2=
20+30=27+5=60+8-1=79-60+11=
70-40=43+9=15-1-6=70-40-19=
87-50=78+2=67-7-4=68-40+8=
90-80=13-1=88-5-8=70-30+20=
20+30=14+2=34-3-5=66-10+4=
88-60=11+3=78-6-6=80-50+6=
85-20=75+4=81-9-4=89-30+16=
66-20=91-8=26-7-9=89-10+17=
70-60=42-4=80-1-9=88-40+7=
40+30=40-4=71+4-8=77-30+8=
30+40=48-2=16+9-4=80-40-9=
50+40=84-8=23+8-8=40-30+17=
68-10=84-3=47-8-2=20-10-8=
80-70=53+1=73-7-6=89-60+13=
90-40=15-2=82-9-3=90-80-7=
83-10=89-1=88+8-9=70-40+8=
40+40=38+9=29-9-2=90-80+13=
80-30=32-6=26-3-7=85-30+14=
63-30=81-7=43-1-4=65-60+1=
90-80=51+6=52+7-1=62-20+5=
40+30=39-8=62+6-6=80-30+2=
40+30=66+6=15+1-6=80-70+8=
88-60=21+9=85+7-9=80-20+5=
30+10=56-8=89-6-5=66-20+19=
60-50=24+6=85+7-5=76-50+6=
95-60=32+8=13-9-9=60-40-9=
93-60=31+2=54+9-1=90-50-13=
80-60=22+5=44-4-1=50-10-15=
40-10=40+1=15-6-9=90-60-9=
50+20=42-1=19+7-4=30-20-1=
98-20=22+6=11-4-8=89-50+19=
90-60=78-8=36-6-7=80-30-6=
70-50=50+3=43-5-9=88-50+17=
20+20=12+8=40+2-4=80-10-13=
20+10=70-1=29+3-3=85-60+6=
85-40=96-8=21-9-4=77-30+5=
40+20=68-1=34-9-8=67-60+4=
87-60=19-5=49+5-7=60-30-18=
30+30=84-1=81+8-3=80-50+13=
90-80=46-5=23+7-1=66-50+19=
20+40=14-3=62-4-9=81-20+6=
60-30=43-4=17+5-8=80-70-2=
30+40=62+4=65+4-2=70-20+6=
30+20=61-2=60+8-5=80-60-5=
90-60=67-2=72-6-9=80-70+11=
88-20=76-6=37-2-9=66-20+10=
70-60=29-5=
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