1、二年级上册口算练习册 77 26+10= 75= 66= 37+36= 80-37=30+54= 91-5= 88= 73-50= 94-49=20-8= 99= 30+23= 93= 90-4=71-47= 50-45= 65+(21-2)= 99+3= 33+50= 36= 67= 35+36= 85-30=23+52= 99-2= 71= 84-50= 82-55=90-3= 53= 30+24= 76= 79-3=97-55= 45-32= 63+(28-7)= 77+3= 18+30= 99= 47= 33+31= 89-40=22+59= 69-5= 84= 86-70= 85-4
2、1=20-3= 11= 40+19= 37= 67-8=83-42= 53-65= 64+(18-8)= 85+6= 20+40= 21= 63= 22+38= 51-28=24+59= 95-4= 98= 95-30= 83-16=40-9= 77= 20+26= 38= 79-3=87-54= 44-42= 62+(20-3)= 57+9= 26+60= 78= 13= 19+33= 40-17=39+53= 73-4= 78= 76-70= 96-43=40-5= 82= 20+14= 27= 93-8=77-25= 46-35= 62+(21-10)= 62+8= 32+50= 81=
3、 11= 32+40= 74-34=21+53= 66-8= 36= 93-70= 83-26=50-4= 36= 50+11= 49= 61-4=70-32= 58-65= 60+(28-5)= 29+3= 30+50= 51= 59= 32+30= 45-15=35+58= 81-5= 34= 96-70= 85-55=50-1= 57= 20+24= 12= 84-6=71-52= 41-23= 63+(25-3)= 71+3= 19+20= 48= 39= 13+44= 66-40=36+54= 63-3= 42= 74-50= 86-47=20-9= 71= 60+14= 71= 7
4、2-7=75-52= 57-54= 72+(25-3)= 84+2= 25+60= 78= 25= 25+46= 70-35=40+50= 91-7= 89= 86-30= 86-31=20-6= 27= 20+28= 99= 77-2=81-52= 40-32= 62+(21-12)= 64+3= 15+30= 55= 44= 26+41= 53-16=40+52= 64-5= 77= 82-70= 80-71=20-1= 13= 70+29= 99= 70-8=79-42= 56-45= 72+(20-8)= 92+6= 32+50= 11= 56= 21+54= 69-20=27+57=
5、 62-6= 56= 72-10= 92-76=20-5= 31= 40+13= 39= 92-7=90-76= 44-53= 63+(20-9)= 17+8= 16+10= 19= 99= 39+56= 88-14=30+50= 73-8= 98= 93-20= 93-63=50-3= 29= 40+18= 36= 93-8=88-34= 41-56= 64+(19-7)= 91+4= 34+20= 49= 73= 29+43= 85-28=23+59= 98-7= 28= 78-70= 97-68=90-1= 92= 50+15= 74= 83-6=89-22= 45-35= 68+(18
6、-12)= 78+3= 31+20= 44= 72= 37+31= 46-26=22+53= 88-6= 36= 98-50= 90-54=90-7= 87= 20+28= 92= 75-4=70-27= 47-46= 65+(20-5)= 73+4= 34+70= 71= 49= 21+41= 60-15=32+53= 70-3= 22= 97-40= 81-20=90-2= 14= 30+23= 17= 93-4=79-67= 55-22= 61+(28-2)= 15+1= 22+10= 81= 79= 32+33= 99-29=33+52= 78-6= 35= 80-60= 95-23=
7、90-3= 38= 50+25= 41= 65-5=96-75= 54-26= 66+(26-6)= 15+4= 21+20= 21= 48= 21+34= 91-14=27+58= 62-3= 31= 84-70= 80-43=20-4= 85= 40+19= 82= 88-4=95-36= 42-46= 62+(23-8)= 85+7= 30+20= 56= 87= 11+47= 79-32=21+56= 61-5= 22= 86-50= 97-13=50-6= 78= 40+11= 63= 68-8=98-37= 45-42= 70+(21-2)= 84+4= 16+10= 61= 31
8、= 36+54= 73-23=36+54= 99-7= 12= 85-10= 82-42=90-7= 28= 70+29= 93= 96-5=82-48= 57-32= 62+(22-4)= 83+10= 12+40= 16= 16= 14+55= 49-40=39+57= 72-7= 63= 80-20= 95-55=40-1= 54= 30+17= 29= 82-8=93-26= 56-34= 64+(25-7)= 92+8= 14+10= 22= 52= 15+46= 40-23=35+57= 69-3= 45= 89-70= 86-66=20-9= 17= 20+25= 69= 65-
9、2=97-46= 48-34= 67+(23-8)= 39+1= 12+40= 79= 81= 28+52= 49-23=34+53= 87-9= 62= 74-50= 84-26=70-5= 62= 40+28= 89= 92-9=83-22= 48-53= 73+(21-12)= 19+10= 27+60= 75= 27= 36+54= 56-18=31+58= 91-5= 26= 90-70= 92-23=30-6= 56= 70+29= 57= 69-9=78-66= 54-44= 63+(26-11)= 63+9= 13+20= 25= 96= 11+41= 78-14=34+56=
10、 62-3= 66= 95-70= 99-43=70-9= 59= 60+25= 85= 89-2=91-34= 49-46= 73+(25-4)= 76+3= 22+10= 72= 83= 26+58= 46-15=35+52= 99-3= 66= 97-10= 81-76=70-7= 81= 40+14= 68= 78-8=70-23= 44-35= 66+(21-12)= 94+8= 15+40= 57= 85= 19+40= 94-36=25+56= 84-4= 82= 99-10= 96-36=90-7= 24= 20+14= 96= 87-7=76-23= 46-32= 68+(2
11、7-10)= 26+1= 11+40= 16= 89= 18+36= 77-36=40+57= 92-2= 65= 87-50= 86-29=40-5= 75= 50+15= 94= 65-6=72-38= 58-22= 68+(22-5)= 82+6= 22+30= 55= 18= 24+41= 96-26=24+54= 89-4= 31= 79-40= 89-35=90-6= 72= 20+11= 31= 69-8=87-75= 50-56= 62+(21-12)= 76+5= 23+10= 39= 62= 32+38= 80-24=33+57= 95-5= 35= 93-70= 80-7
12、6=50-3= 29= 20+27= 44= 74-3=77-65= 50-35= 64+(23-8)= 85+1= 20+70= 84= 67= 24+36= 57-18=23+58= 64-2= 28= 99-10= 81-76=40-3= 54= 20+16= 35= 93-5=77-86= 46-43= 64+(27-6)= 49+3= 12+60= 78= 96= 14+51= 55-28=39+54= 94-7= 98= 99-30= 90-30=40-6= 69= 40+15= 97= 97-3=94-65= 40-35= 71+(19-11)= 29+7= 30+30= 49=
13、 41= 15+53= 90-36=24+53= 80-3= 18= 80-40= 88-41=20-8= 88= 20+11= 37= 61-8=92-28= 59-46= 71+(26-12)= 57+5= 33+60= 72= 65= 15+41= 60-38=28+53= 90-6= 64= 94-10= 98-31=80-5= 34= 60+29= 14= 71-9=90-57= 52-34= 69+(22-5)= 46+6= 26+60= 14= 46= 37+48= 80-11=36+53= 92-2= 99= 94-20= 93-29=20-1= 61= 50+26= 23=
14、78-5=92-55= 51-52= 66+(18-5)= 23+2= 33+40= 48= 18= 27+31= 48-18=38+59= 87-8= 53= 78-50= 86-76=50-5= 81= 40+14= 34= 95-4=86-68= 45-43= 67+(20-7)= 84+2= 28+10= 68= 35= 11+48= 53-23=32+54= 89-5= 63= 73-20= 95-26=90-6= 91= 30+22= 32= 87-2=85-55= 42-26= 60+(22-5)= 62+4= 25+10= 89= 67= 16+59= 82-36=30+50=
15、 85-9= 56= 79-70= 95-78=30-5= 57= 40+16= 78= 98-9=76-73= 53-24= 62+(18-10)= 47+4= 22+30= 96= 61= 17+38= 65-11=28+52= 97-6= 48= 97-70= 93-19=60-1= 33= 70+27= 35= 72-4=74-84= 48-22= 63+(27-9)= 45+2= 17+70= 77= 25= 22+52= 88-35=23+54= 91-7= 44= 84-50= 85-15=20-3= 46= 40+21= 66= 86-2=79-84= 58-24= 66+(2
16、0-2)= 62+2= 13+10= 34= 99= 30+42= 48-40=22+58= 63-5= 96= 89-60= 91-19=40-3= 69= 60+19= 86= 94-3=94-83= 56-65= 67+(23-6)= 25+3= 16+10= 28= 12= 17+54= 84-18=39+52= 87-2= 84= 76-70= 98-73=80-3= 84= 30+13= 49= 62-5=89-67= 58-23= 70+(19-3)= 71+4= 32+40= 13= 82= 36+34= 61-31=24+59= 80-2= 51= 99-20= 85-14=
17、80-6= 69= 30+20= 28= 81-4=89-82= 60-54= 61+(23-3)= 26+5= 17+70= 78= 17= 25+34= 48-16=36+58= 89-3= 32= 75-70= 81-76=60-3= 69= 20+25= 56= 97-2=97-34= 55-33= 61+(24-10)= 89+8= 15+40= 52= 91= 20+58= 59-32=36+53= 81-2= 21= 99-70= 84-77=30-7= 56= 50+24= 61= 78-6=75-87= 41-25= 60+(24-12)= 82+7= 33+30= 81=
18、56= 19+59= 81-28=29+59= 99-6= 19= 73-70= 92-64=90-6= 63= 40+11= 43= 72-9=86-82= 56-63= 66+(26-12)= 97+1= 20+10= 91= 16= 31+36= 92-35=35+58= 91-3= 22= 81-40= 82-49=20-6= 12= 30+17= 24= 62-4=93-46= 55-56= 70+(20-2)= 18+2= 22+60= 24= 47= 33+35= 80-11=30+55= 97-6= 99= 77-70= 87-55=20-7= 97= 60+15= 12= 98-3=83-86= 52-36= 60+(20-12)= 25+6= 14+30= 23= 71= 34+47= 79-19=40+56= 82-4= 47= 99-60= 95-79=20-1= 56= 60+25= 17= 66-5=82-63= 59-43= 61+(24-7)= 76+6= 28+50= 13= 49= 11+45= 72-34=
