一年级数学下册口算宝典197.docx
《一年级数学下册口算宝典197.docx》由会员分享,可在线阅读,更多相关《一年级数学下册口算宝典197.docx(18页珍藏版)》请在冰豆网上搜索。
![一年级数学下册口算宝典197.docx](https://file1.bdocx.com/fileroot1/2023-1/22/edfe1026-0356-428d-85ac-5d13d804d075/edfe1026-0356-428d-85ac-5d13d804d0751.gif)
一年级数学下册口算宝典197
70-60=80-1=27-5-3=66-30+10=
10+30=56+3=77+8-7=90-20-17=
97-60=20+5=41-6-7=77-10+9=
90-80=25-4=55+9-3=72-60+11=
84-50=74+7=86-7-9=70-30+7=
60-50=66-3=81-6-5=80-30-11=
88-40=70+6=51-3-6=80-10+9=
83-10=64-3=76+8-7=90-80-19=
91-30=39+2=20+4-7=90-50-10=
50+40=46-3=47-3-5=80-20+14=
81-40=79+5=54+6-3=71-20+8=
97-30=48-0=15-5-9=69-50+2=
50+20=52-3=82+6-5=74-50+8=
90-80=70-1=30-5-3=50-10-7=
90-80=10+3=77-7-4=80-60-8=
90-30=44+7=64-9-3=81-20+13=
82-10=42+8=62+3-7=50-20-12=
82-40=49-1=30-8-9=83-30+3=
64-60=59+5=84+5-4=87-60+18=
60-50=20+3=42-5-6=50-20-3=
80-50=30+8=86+3-8=70-50+3=
50-20=87+9=52+6-1=71-20+18=
94-30=74-5=28+3-2=90-70+13=
90-80=76+3=79+4-2=80-70-10=
30-20=92-2=84+4-9=50-20-18=
20+30=49+4=86-1-1=90-20+5=
90-80=28-9=53-9-6=90-60+2=
50+30=76+4=87-1-2=80-50+19=
82-50=66-0=31+1-1=81-40+12=
80-60=85+5=21-6-8=90-50-17=
96-40=28+9=32-1-3=87-60+20=
10+30=23+2=41+1-9=50-10+10=
70-60=69-8=45+8-6=81-60+17=
20+40=48+3=45-4-1=90-60-4=
90-80=27+8=77+6-6=73-30+4=
40+30=80+9=87-5-1=67-20+5=
20+20=41-0=86-9-9=70-20-7=
70-40=82+4=28-9-7=72-20+7=
61-20=11+1=52-5-5=81-50+2=
30+40=76+6=63+9-9=90-50+15=
83-20=87+3=65+5-5=80-50+12=
30+20=40-0=34+5-2=70-10+14=
20+40=40+7=37-4-4=61-10+2=
80-70=84+3=85+3-2=70-60+1=
40-30=85-0=86+4-2=90-60+13=
30+10=82-9=87-9-8=90-70-3=
75-10=54-1=29-6-8=60-50+3=
90-30=70+9=11-6-9=80-60-11=
60-40=19-8=64-6-1=78-50+7=
10+30=82+2=87+7-1=72-40+10=
30+20=25-5=21-1-3=74-50+19=
62-30=22+2=10-8-3=86-20+16=
10+10=36+3=62+6-1=90-70+8=
90-80=75+9=89-3-4=50-30-8=
80-30=34+2=80-7-5=90-40-3=
90-80=83+9=44-5-6=90-80+1=
65-30=96-1=86+7-4=30-20+7=
73-10=38+8=55-6-2=88-60+4=
90-70=69-0=37-5-8=80-50-16=
50+10=58+1=82+1-3=61-10+10=
40-30=14-2=59-4-8=89-30+17=
89-50=68+1=90+3-6=80-50-6=
68-20=23+6=90+2-4=90-60-9=
81-10=64-9=42+4-4=61-50+20=
50+40=48+5=69+4-4=80-60+14=
20+20=14-3=15+9-5=81-60+6=
80-10=62-1=59+8-3=90-80-19=
78-50=51+9=14-6-8=70-10-18=
76-10=96-7=16-2-1=85-30+1=
10+20=32+3=72-2-2=80-60-13=
30+30=98-6=75+2-9=62-40+11=
70-60=41+1=60-5-4=65-30+12=
70-60=16+7=85-4-1=60-40+15=
50+40=85-6=85-7-6=66-50+11=
90-80=60+5=15+4-4=71-20+3=
10+40=38+4=72-5-7=78-50+16=
50+10=88+5=81+6-3=81-60+12=
72-10=87+1=40-7-9=50-40-6=
40-30=79+1=12-7-5=77-60+8=
95-30=10+9=24-9-9=50-10-15=
80-70=59-3=70-7-7=70-50+10=
70-20=89-6=66-2-5=64-20+1=
10+20=46+7=28+7-3=82-10+9=
90-80=15+7=79-1-5=63-50+20=
90-50=59+4=66+7-2=70-50+13=
95-30=25+8=81+2-7=86-10+3=
90-80=59-9=34+9-8=62-20+7=
77-10=83+1=64+3-4=70-10+16=
60-30=62-2=72+5-7=40-20+15=
10+20=51+4=64+7-6=70-40-13=
30+10=64-1=82+9-1=80-20-14=
50+40=67-2=22+6-3=66-40+7=
94-20=38+3=50+6-8=84-60+16=
30+40=21-3=76+6-4=89-50+17=
70-60=34-6=12-9-1=90-50+6=
62-10=79-9=71-7-7=90-80+19=
67-50=19+5=43-6-2=80-10+13=
70-60=35+3=86+3-5=62-30+7=
10+20=16-7=72+9-5=64-50+4=
60-30=90+8=65+3-5=85-40+7=
77-40=25+5=18+9-8=74-60+19=
70-10=68-3=87-1-3=83-60+18=
97-50=63-3=30-8-8=90-80-12=
99-30=41+5=56+8-2=70-60-16=
81-40=31-5=61+8-8=80-60+8=
74-20=37+4=55-1-9=80-50+3=
10+10=31+8=30+1-3=79-40+16=
10+40=92-6=48-5-3=90-40-19=
94-10=30-4=89+9-6=80-30+18=
20+40=49+6=33+9-7=80-60-11=
63-50=28+4=64+9-6=80-50+15=
60-50=71-2=89+2-5=60-10-19=
80-70=89-1=56+3-2=79-30+3=
96-20=62+2=50+3-4=70-50-12=
82-50=63-4=36-6-8=77-20+12=
94-10=24+2=64+8-4=90-80-18=
60-50=18-2=81+7-8=72-30+10=
30-20=78+7=42+8-7=69-60+8=
90-60=27+4=38-1-3=85-30+1=
86-40=49+3=77+2-9=80-60+10=
95-30=48+6=72-4-8=70-30+5=
92-20=55+8=63-6-5=90-70+1=
50-10=85+6=42+2-6=80-70+19=
95-30=56-2=71+8-8=70-40+17=
93-10=67+7=34+5-4=60-50+6=
70-40=93-1=44+7-2=40-20-10=
30+40=83-2=54-2-6=90-30-18=
79-60=19-6=67+5-9=90-60-9=
80-70=66-4=20-1-5=72-40+20=
81-20=90+5=80-2-6=66-20+14=
70-60=34+2=36+6-5=90-70+19=
79-40=46+1=62-2-8=67-40+6=
70-20=84+5=80-9-2=50-30+1=
96-50=86-1=52+2-5=74-60+15=
10+40=94-4=52+1-9=81-40+8=
40+40=75+4=43+1-1=75-10+8=
89-10=87+6=52+5-7=50-10-13=
30+10=40+3=70-6-6=66-60+13=
60-50=63-7=40-7-4=60-30+14=
70-50=72+7=15+2-1=68-60+7=
60-50=19+1=79+9-5=60-10+2=
95-50=35-7=30+8-9=80-10+15=
70-50=33+9=72-6-2=80-60-19=
88-60=69+1=87+2-9=62-60+6=
78-40=34+8=56+2-1=60-50-4=
89-40=43+8=23-8-3=71-20+7=
20+30=60-3=57-5-1=72-10+5=
50+10=19+5=19-7-7=60-20-1=
68-60=87+1=20+9-8=90-80-1=
50+40=32-6=68+5-7=79-60+12=
90-80=85+3=55+1-2=89-40+9=
30-20=91-3=14+4-1=50-30+15=
20+10=90+9=85-4-6=70-40+18=
90-70=39-6=88-5-1=30-20+10=
60-50=18-1=85-1-4=90-70-15=
40+10=70+7=90-4-5=90-40+11=
65-20=27-6=32-3-1=84-30+15=
50+30=32+6=89-1-7=61-40+18=
90-40=23-4=44-2-4=89-10+13=
68-40=18+4=63-1-6=60-20-6=
10+40=47+1=68-3-2=85-20+12=
50+30=65+9=75-4-2=70-50-1=
20+20=63+9=65+4-6=65-40+11=
68-20=33+1=28+1-7=70-40+16=
30+30=19-7=14+4-9=50-40-6=
72-60=89-0=11-3-9=50-20-17=
75-10=24+3=25-5-2=81-50+5=
10+10=49-7=66+2-7=69-60+17=
30+30=22-1=63-7-5=80-20+15=
50+40=23-0=11-7-6=70-40+14=
60-50=51+6=24-2-8=88-40+12=
61-30=28-2=72-6-7=71-40+19=
50+10=47+4=61+6-3=50-30-18=
10+10=90-9=12+1-3=80-60+6=
68-40=38-1=14-9-9=74-30+19=
94-10=44+3=73+5-6=20-10+2=
90-80=26+2=30+5-7=70-50+6=
20+20=83+6=20-7-1=60-10+12=
30+10=29+1=61-5-7=65-40+1=
50+20=85+1=75+5-7=87-30+16=
10+40=15-5=79+4-2=90-30-15=
90-40=65+5=18-8-4=88-10+19=
87-50=83+1=20-2-3=80-10+5=
50+10=69-4=78-7-2=60-20-4=
30+40=74-5=22+1-9=60-20+6=
80-70=60+7=15+2-3=90-50-3=
87-50=25-8=40-2-7=90-20-13=
20+20=24+4=34-5-3=90-30-12=
10+30=97-7=41-8-5=82-60+10=
69-20=87-9=63+6-1=75-20+4=
10+10=21-1=16+5-6=80-50+15=
90-20=18+3=48-2-8=90-10-12=
83-20=68-3=27-3-9=80-20+1=
92-40=70-5=61+5-8=70-50-10=
76-20=23-7=82+4-3=70-20-9=
10+20=51-1=55-2-9=64-20+15=
50+20=51+9=23+5-1=70-60+7=
60-50=73-2=60-7-8=40-10+7=
69-30=16-9=45-7-4=61-30+2=
50+30=34-0=61+8-3=90-70+9=
76-40=21+1=85-4-1=71-10+11=
80-50=87-0=55-9-1=68-40+14=
40+30=85+6=11+8-3=70-50+2=
89-60=71-1=37+2-4=71-10+2=
70-60=13+6=16+8-7=80-40-17=
90-30=30+9=69+9-1=71-10+2=
30+30=44+4=25-9-9=71-40+18=
70-60=25+3=12+9-1=50-40-4=
40+30=90-7=64+5-4=75-50+5=
90-80=66-1=69-5-9=50-10-15=
30+30=13+7=45-9-2=70-30+18=
79-10=56-6=16+9-3=78-10+16=
20+40=17-0=31+8-5=84-60+20=
70-30=60+6=68-5-2=90-80+16=
50+40=62-7=78-8-4=78-50+15=
10+10=53-9=35+5-9=61-40+11=
50+40=20-6=10-8-6=80-30+15=
90-50=64-4=71-3-7=88-40+4=
50-20=77-8=31+1-4=30-20-12=
20+20=89+8=32+5-7=90-10-1=
80-70=48-0=68+6-9=72-30+8=
50-40=90-6=62-5-1=70-50-17=
98-60=88-5=14+5-1=70-60-1=
74-20=26-6=56-8-8=80-20+3=
30+30=84-0=48-4-1=90-50+19=
70-60=10+6=43+2-7=90-80+10=
70-20=19+7=29+8-2=40-30-10=
90-20=30-7=53-8-3=70-10+15=
90-50=63-4=61-5-1=63-10+16=
40+10=52+3=67-8-9=61-30+9=
10+10=12+1=68+9-6=86-10+13=
70-40=85-2=58+6-7=40-30-18=
40-20=62-6=49+8-8=40-20-12=
90-80=31+2=53-8-1=90-80-11=
90-80=41-1=13-1-8=74-10+14=
96-10=62-2=84+6-4=71-20+8=
90-10=38-1=14-4-8=63-20+3=
40+40=43+1=53+8-3=72-50+4=
20+30=49-0=13+5-9=83-10+16=
88-20=85-4=63+8-6=62-60+12=
74-10=43+5=81-1-6=90-60-13=
72-20=87+6=10-5-5=50-40+5=
80-60=42-2=14-5-5=72-60+10=
90-50=35-2=86+4-4=75-30+13=
84-10=26-7=52+8-5=79-30+8=
90-80=85-3=67-2-4=85-50+9=
93-10=36-7=24+7-6=69-60+2=
30+10=52+1=39-9-4=64-20+7=
70-20=52+6=60-5-4=90-80+8=
70-30=56+2=33-4-8=61-20+20=
84-60=24-0=22-1-6=61-40+5=
61-30=65-7=35+4-5=66-30+11=
80-30=57+9=15+5-3=80-70+6=
80-60=75-5=51+4-6=20-10-18=
20+10=12+6=81-3-2=80-30+10=
60-40=44-7=90-2-2=80-40+3=
30+40=64+4=62+5-2=83-60+1=
90-80=26+9=79+8-6=70-40+4=
20+40=72+6=23+1-5=80-70-8=
10+30=86+8=42+1-4=65-50+3=
65-20=81-7=56+9-9=80-70-9=
98-10=32+7=37+2-9=65-50+20=
87-50=42-8=66-4-2=80-70+4=
73-40=90+1=44-3-7=90-80+3=
40+10=53+3=35-3-7=65-10+19=
90-80=31-4=50+4-3=70-50-3=
40+40=60+8=22-3-8=80-40-16=
91-30=12+4=44-3-8=90-60+6=
88-10=34-2=71+9-2=90-80+10=
30+10=29-2=15-4-6=90-40-16=
50-40=94-7=20+4-5=84-60+10=
90-60=34-8=88+2-9=85-30+14=
82-10=74+4=35+1-9=64-60+9=
80-60=56+4=10-2-3=81-20+15=
10+10=14+5=14-1-1=80-70+10=
79-60=21+5=75-8-5=65-50+16=
79-60=23+5=63-7-8=63-50+1=
68-60=54-5=42+9-1=90-40-8=
82-40=28+3=88-7-2=80-40-7=
40+20=61+2=47+2-6=78-10+14=
80-50=89+9=44-1-3=69-40+5=
80-20=25+9=67+3-1=69-10+11=
10+30=74+2=38-5-9=40-30+3=
60-10=63+5=87-2-7=71-60+18=
50-40=21+4=79+9-9=80-40+10=
40+40=54+3=88+5-4=50-30-10=
83-10=33-0=79+1-4=83-30+9=
50-10=82-7=70+1-2=80-60+14=
71-60=16+7=69+9-4=60-50+