一年级数学下册口算宝典166.docx
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一年级数学下册口算宝典166
99-50=36+3=67-6-9=84-20+13=
30+10=65+3=54-8-7=90-80-12=
30+20=31+2=37+6-1=80-70+12=
99-50=70+5=21-2-1=70-40-14=
20+40=49+9=36-4-2=75-40+18=
10+10=61-3=57-1-7=61-60+11=
30+20=88-9=42-2-8=64-30+14=
95-60=72+1=23-6-7=90-50-7=
70-10=16-1=71+3-8=90-80-7=
10+40=11+8=17-1-7=90-80+18=
30+10=81+5=13-9-6=77-50+18=
84-60=74+5=54-4-9=73-20+6=
80-60=82-1=39-5-4=30-20+2=
90-80=86+9=12-8-8=81-10+12=
70-60=12+2=35-7-8=78-50+14=
80-70=19+2=89+2-2=81-60+3=
78-10=82+7=10-7-7=66-60+10=
88-60=62+8=90-9-8=30-10-3=
90-80=79+2=14+2-6=60-10+15=
80-70=60-0=16-1-4=66-40+14=
40+40=71-0=45+5-1=76-50+18=
90-60=56+3=14+5-3=40-20+1=
50-40=17-1=17+4-4=63-30+10=
60-30=75+7=44-2-9=80-60-9=
70-50=24+5=22+2-7=79-60+15=
98-20=65+6=90+5-9=90-30+13=
63-20=42-3=64+6-8=70-50-3=
50+40=51+8=85+3-2=80-60+5=
30+20=18+7=37+4-2=77-30+4=
50-20=13+5=77-7-2=70-40+13=
60-40=79+9=40-9-7=50-10-11=
20+30=78+4=62+6-4=20-10-3=
30+20=32+8=87+5-4=84-30+1=
80-40=25+9=39+5-6=60-40-6=
50+20=57-1=25-1-5=76-20+5=
60-20=75-8=79-2-5=71-20+5=
66-30=37+8=62+7-4=87-40+12=
79-40=39-4=33+2-5=50-30-2=
40+20=69+9=61+9-5=80-50+18=
20+30=75+6=42-5-9=61-60+16=
20+20=18+2=85+6-9=69-50+8=
70-40=39+4=43-8-7=80-60-8=
70-60=82-2=32-1-5=60-50+3=
63-40=19+7=12+1-4=90-70+6=
60-20=29-1=41+8-5=90-80-12=
63-10=28+4=90-5-7=80-20+12=
76-40=48+7=26+4-2=74-40+18=
10+40=71+5=49+7-7=60-10-9=
10+20=94-6=83-1-9=90-30+7=
99-40=48+5=36+4-8=90-40+10=
99-40=28-0=63+2-5=80-70-14=
40+40=89-0=31-8-2=90-70+7=
50-30=70-2=86+2-6=82-20+16=
62-20=57+7=46+6-6=70-30+10=
30+30=48-7=52-8-7=70-10-7=
40+40=71+6=61-4-5=90-80-11=
20+10=23-4=71+4-9=79-10+14=
30+30=26+1=75+9-5=88-30+16=
40+10=88-5=31+7-2=89-10+3=
95-60=37-2=52+6-3=80-40+7=
86-30=91-2=72-6-5=83-60+9=
62-10=49-5=66-4-9=90-70-10=
20+10=57-9=75+1-4=90-80+1=
94-20=34-7=44-8-5=90-30+14=
87-30=58+6=70-2-2=63-10+17=
90-70=51-3=47+1-8=90-80+12=
20+10=23+5=51-3-2=79-40+5=
30+20=24-8=13-2-2=68-40+20=
30+10=89-9=20+3-6=60-50+5=
80-30=79+1=79-4-7=50-40-14=
20+10=44+1=19+6-9=70-40+16=
70-50=50+2=30+6-3=64-60+3=
68-40=93-0=12-6-1=67-30+9=
40-20=95-4=48-5-7=80-70-9=
80-70=80-0=58+4-8=89-20+14=
40+30=78+3=81-3-4=80-30+1=
80-60=78-7=21-3-7=69-40+14=
85-60=26-0=19+2-9=70-30+3=
89-10=90-9=79+8-8=69-60+4=
20+10=19+6=30+6-9=70-50+10=
50-20=76+7=35+6-7=80-40-1=
82-30=16-9=31+7-6=78-20+2=
70-20=76-1=28-3-3=90-80-18=
90-80=43+5=20+7-6=80-20+11=
82-50=31-3=21-5-3=66-20+13=
40+40=28+2=89+7-5=81-10+15=
10+10=12+4=46-7-9=90-50+10=
93-40=81+9=48+5-4=80-30-18=
69-30=63-9=12-5-7=20-10+14=
80-50=15+4=89-5-3=40-20-9=
10+20=71-8=61+6-2=76-50+14=
90-80=13-4=20-5-4=82-40+6=
90-60=84+3=90-3-3=82-30+4=
20-10=37+1=46-9-3=71-50+4=
40+10=70-0=14+1-2=61-60+20=
95-10=42-3=60-7-8=30-10-2=
91-30=65+5=49-4-1=60-40-5=
20+40=45+8=79-4-1=90-40+3=
30+20=58-3=66+8-2=90-80-17=
10+20=65-1=69+8-6=80-70-7=
50+10=87-8=48+2-8=82-10+18=
10+10=19-1=76-1-8=80-70+17=
70-40=75-6=69-9-6=80-70-17=
40+30=16-4=70-3-6=82-20+6=
70-50=37-4=77+2-6=50-30+11=
93-50=17-9=54-9-7=50-10-14=
70-40=51+3=57+7-7=90-50-18=
20+30=80+8=64+8-8=63-40+9=
20-10=50+5=11-3-1=90-70-2=
90-60=47+9=34-8-1=40-20-18=
90-80=81-2=13-5-6=60-40+3=
80-60=14+8=73+4-6=80-70+1=
63-30=16+5=16+6-8=77-50+3=
20+10=90-7=13+3-3=70-30+6=
80-70=90-4=41+8-4=71-60+3=
94-30=37-6=12+5-7=80-70-7=
68-60=64+7=36+4-9=40-20+10=
74-30=32+6=51-3-1=60-30-12=
10+10=46+8=32-9-2=64-40+2=
94-30=51+6=81+5-1=74-30+19=
50-20=32+1=42+5-6=90-80+12=
40-20=49-3=36+7-9=80-40-5=
90-80=64+7=42+2-7=80-40+12=
70-50=47+5=81+7-6=80-70+13=
50+20=91-6=66-7-1=69-40+15=
20-10=86+5=71-7-9=68-30+20=
90-30=60-7=82-8-5=75-30+4=
90-30=45+3=45-2-7=90-40-17=
71-50=46-7=55-5-6=20-10-10=
85-60=29-8=34+6-2=90-80+12=
50+20=54+9=47+3-4=50-10-1=
90-60=45-6=59-7-2=30-20+2=
77-30=73-2=88+5-4=87-20+19=
70-60=58-3=24+2-5=71-60+15=
70-60=96-8=30-3-9=80-30+4=
50-20=12-1=34-5-4=88-20+10=
60-10=23+3=58+6-2=78-20+4=
50-10=16+8=32-3-7=90-60+19=
40+20=74+3=73-4-5=80-60-1=
77-40=86-7=39+7-7=74-20+8=
40+40=17-4=69-9-1=70-60+1=
99-60=67+3=27-8-9=74-20+1=
60-10=35+4=18+4-4=67-50+9=
90-80=50-5=61+3-9=63-10+18=
50+40=20-6=66+9-3=50-10+6=
84-30=78+6=20+2-6=70-60+7=
80-60=61-5=28-3-8=86-40+7=
40+30=26-5=41+2-3=40-30+6=
20+40=54-0=85-4-5=50-10-5=
50+40=60-9=21+9-1=69-60+14=
63-50=84-0=25+8-6=40-30-11=
70-30=29-6=32-3-6=70-50-13=
67-20=60+4=51+9-8=84-30+18=
80-30=47+3=87-4-5=69-20+13=
74-20=38-2=86+7-6=90-60+1=
50+40=52-1=64-8-3=30-10+15=
90-70=51-8=60-5-8=60-20-18=
78-10=74+4=73+9-4=65-30+5=
30+20=24-9=56+5-3=30-10-11=
85-30=90-2=15-8-2=87-30+13=
98-30=65-0=68-4-1=86-20+20=
30+40=78-2=44+2-6=50-20-5=
50+40=69+4=40-1-8=61-40+1=
90-70=15-5=25-4-7=70-10+12=
90-80=52-5=21-8-3=88-40+19=
40+10=85-4=17+8-7=60-20-6=
90-20=49-5=39-4-6=40-30-13=
10+20=77+2=21-9-6=90-80-10=
50-20=30+1=76+9-9=63-60+15=
64-40=94-1=62+9-5=90-10+5=
80-60=57+3=86-3-7=75-10+2=
70-50=11+9=31-4-3=60-50+13=
10+30=50-2=19-5-9=80-70+17=
10+10=67+5=34+4-6=80-60+5=
40-30=19-0=23-5-4=74-60+18=
40-20=47+2=81-3-8=74-20+5=
90-30=79+9=11+1-2=50-10+2=
40+20=18-9=29+4-8=90-80+14=
30+30=80+9=72+5-5=66-60+13=
90-60=99-8=11-1-7=83-30+2=
65-50=34+4=62+7-9=70-30+17=
91-30=62+6=44+4-7=70-60+2=
20+20=32-4=41+6-4=84-40+8=
40+40=45+6=64-8-1=60-10+4=
73-40=79+4=61+9-9=90-80-13=
80-70=99-3=87+4-7=80-50+12=
96-20=18-6=57+3-1=77-20+8=
60-20=33-8=51-1-3=60-50-12=
20+40=97-1=36-4-4=80-70+18=
40+20=44-2=34-6-8=30-20-18=
83-60=68-4=72+5-4=90-70+19=
96-60=47+8=73-5-8=50-10+19=
50-10=63-1=33-7-3=66-50+9=
20+20=15-8=71-8-6=77-10+5=
84-10=46-7=74+8-9=50-40-5=
70-50=48+1=59+1-7=90-80-7=
93-20=88+2=42-8-6=70-10+12=
90-40=18+9=18+8-8=69-20+15=
89-10=27+1=57+5-5=90-80-12=
10+40=69+9=32+4-1=90-50+6=
40-30=65+3=29+5-1=66-60+12=
40+40=71+6=72+3-9=80-50-1=
10+10=96-8=77+2-5=80-70-5=
40+30=17+1=65+8-8=70-20-9=
10+30=30-7=71+5-5=40-10-14=
50+10=21+6=75+6-9=70-30+7=
80-40=15+7=52-1-2=73-10+4=
70-30=15+9=31-1-6=90-80+19=
72-60=25+6=17-1-3=63-40+11=
63-20=33+4=40-6-6=84-50+10=
81-20=89+9=15+3-8=80-70+15=
90-60=14+9=74+5-7=90-70+15=
20+30=66+8=33+5-6=61-10+7=
10+40=59+4=49-5-2=90-50+7=
90-80=91-2=68+4-7=66-60+10=
78-40=66+4=54+2-2=76-20+18=
70-20=43+3=39-3-7=83-60+19=
20+20=33-6=39+8-1=80-70+15=
66-50=71-7=75-4-7=80-30+7=
20+40=67+6=88+2-3=70-10+6=
40+20=97-2=62+1-8=40-10-6=
20+30=87+2=18-9-8=50-10-8=
30+10=99-1=17-4-4=90-80+9=
68-10=85+8=82+2-4=78-60+6=
88-40=40-6=81-7-6=70-50+15=
69-40=54+4=17+8-7=90-80+14=
69-40=26-8=36+6-4=65-20+18=
82-20=58+6=37-4-3=70-10+18=
76-20=60-5=68+5-1=40-20+6=
90-20=97-1=22-5-8=80-60+5=
40+10=29-6=82+7-9=70-50-1=
83-40=20+4=35-8-1=63-40+11=
90-60=49+1=87-5-6=67-40+2=
40+20=88-1=64+7-4=90-60-18=
40+20=78-4=28+2-8=89-10+15=
75-20=86+9=53+3-5=86-40+18=
63-10=42-3=37-2-2=60-50+17=
50-20=77+4=18+6-4=50-10+5=
96-10=50+8=19-1-4=86-50+19=
63-10=21+9=69-4-6=50-20-9=
50+20=76+8=81-4-4=50-20-13=
30-20=24+1=81-9-7=90-30+2=
40+30=84-8=72-9-2=90-70+8=
80-70=21-2=65-3-4=65-10+5=
10+30=69+6=48-6-7=50-10+8=
78-40=78+5=11-1-4=83-40+19=
71-40=83+8=75+3-9=90-80-10=
64-10=64-4=11+8-6=80-40+12=
10+10=11+6=85-4-4=90-40-14=
79-60=39-0=20+9-4=72-60+3=
80-50=96-5=88-7-2=80-40+8=
10+20=11-5=42-5-9=72-40+18=
97-60=88+4=52+7-4=62-20+3=
85-10=32-7=71-5-6=90-70+4=
62-60=93-0=82-3-8=65-40+1=
50-40=94-2=62+2-2=50-10-8=
30-20=34-3=73-5-2=70-40-12=
10+10=48-0=21+3-2=70-60-6=
80-60=66+9=76-7-8=60-40-6=
10+30=93-4=61+6-7=75-10+7=
30+10=62+1=76+7-4=78-30+10=
30+30=75+3=84+4-5=72-60+7=
30+40=86+1=70-7-6=85-30+7=
30+30=64-6=19+1-5=90-80+17=
75-50=62+6=24-5-5=90-70-6=
90-80=99-9=47+9-3=30-10-13=
50+30=68+4=25+7-6=60-30-18=
60-40=90-2=31-5-7=64-30+17=
67-20=46-4=17-1-6=90-80+11=
50-40=48+6=61+2-7=70-30-2=
50+40=17-6=75-9-1=90-60+3=
66-20=84+8=76+5-1=90-80+12=
40+30=75-7=81-7-2=73-40+1=
10+10=25-3=10-2-1=80-30+15=
10+40=38+7=41-7-8=30-20-2=
70-30=39+5=39+2-7=80-20+17=
50-10=52+3=20+1-5=90-80+17=
80-70=25-1=79-4-9=80-50-10=
80-20=61+2=10-6-6=85-20+20=
71-50=47+2=16+5-1=70-60+15=
40+10=20+5=27-8-1=90-60+18=
10+10=60+3=72-4-4=62-10+13=
92-30=37-1=80+3-1=70-60-14=
70-10=18-6=24-1-3=63-10+9=
90-20=55-9=39-4-6=80-40+11=
96-10=57+5=59-6-9=90-60+16=
40+30=80-9=73+8-3=50-20-18=
87-60=57+6=49-4-9=82-10+2=
50+10=14+1=70-5-2=80-60-8=
81-3