1、二年级上册口算练习册 5630-1= 49= 50+13= 15= 75-7=95-35= 42-34= 60+(25-7)= 25+6= 20+20= 29= 36= 34+45= 50-18=23+57= 77-8= 59= 97-10= 97-52=80-1= 52= 60+26= 91= 92-9=72-43= 53-65= 71+(23-5)= 48+2= 31+10= 37= 44= 19+55= 74-30=31+52= 98-8= 65= 75-40= 89-29=60-3= 12= 40+18= 54= 98-9=77-73= 48-42= 64+(27-7)= 78+8=
2、13+30= 94= 25= 33+53= 41-23=40+50= 87-7= 46= 78-70= 88-54=30-2= 52= 50+20= 32= 68-8=94-42= 59-44= 60+(26-3)= 37+6= 14+50= 28= 57= 38+54= 44-16=37+58= 97-5= 43= 87-70= 80-11=90-4= 44= 50+25= 43= 61-2=73-77= 45-43= 66+(20-5)= 84+9= 24+50= 96= 52= 13+54= 41-38=21+54= 71-5= 92= 83-20= 82-50=50-5= 64= 60
3、+21= 46= 86-8=94-66= 55-44= 62+(19-8)= 58+9= 23+30= 39= 73= 31+59= 77-21=39+57= 86-3= 38= 96-30= 92-15=90-9= 82= 20+26= 72= 90-9=70-28= 49-63= 61+(27-10)= 86+9= 29+70= 49= 57= 13+54= 44-31=22+50= 80-8= 28= 94-40= 88-32=40-3= 17= 20+11= 96= 76-8=99-87= 43-33= 68+(24-6)= 57+4= 14+20= 43= 99= 30+30= 56
4、-13=30+54= 82-4= 95= 85-40= 80-14=70-3= 53= 50+27= 28= 67-3=84-26= 58-26= 69+(23-9)= 18+2= 11+40= 11= 28= 14+48= 43-16=27+56= 88-9= 83= 82-30= 94-33=60-8= 28= 30+21= 86= 81-4=71-76= 60-52= 68+(26-5)= 94+4= 23+60= 75= 49= 37+55= 93-29=34+56= 99-7= 42= 89-60= 83-55=80-6= 14= 70+17= 83= 98-8=98-22= 58-
5、34= 70+(25-4)= 53+5= 28+20= 31= 32= 27+54= 49-15=23+56= 63-6= 43= 88-70= 82-33=80-5= 51= 60+15= 56= 94-5=77-52= 47-32= 62+(27-12)= 11+2= 28+70= 49= 12= 28+48= 57-36=38+51= 75-6= 89= 73-50= 89-26=60-5= 75= 20+29= 52= 65-7=88-54= 55-66= 66+(27-4)= 46+2= 33+10= 83= 66= 11+35= 65-17=35+54= 61-4= 97= 92-
6、50= 97-31=20-8= 81= 60+14= 38= 90-6=74-37= 51-65= 72+(25-8)= 36+10= 15+70= 21= 58= 32+50= 74-15=21+58= 73-7= 82= 99-60= 85-56=90-5= 36= 60+27= 87= 93-2=94-24= 49-56= 67+(20-8)= 14+4= 21+30= 61= 75= 32+47= 73-35=29+53= 97-7= 24= 92-40= 98-26=50-4= 44= 60+22= 58= 81-4=79-82= 49-64= 63+(22-8)= 93+9= 26
7、+40= 52= 41= 23+55= 45-35=36+50= 72-7= 81= 92-10= 92-24=20-1= 78= 70+28= 82= 76-7=84-77= 52-35= 67+(18-2)= 93+10= 16+60= 29= 66= 34+41= 57-34=23+50= 96-4= 65= 86-60= 99-61=40-2= 96= 20+26= 95= 79-3=80-23= 50-46= 69+(19-2)= 27+7= 30+10= 47= 13= 23+34= 97-27=38+59= 97-9= 26= 94-60= 81-69=50-5= 64= 60+
8、25= 15= 89-4=72-43= 57-56= 65+(25-12)= 24+9= 20+60= 62= 85= 14+43= 50-38=40+59= 76-7= 13= 78-20= 92-41=80-3= 37= 20+21= 46= 95-9=88-43= 40-25= 60+(28-4)= 76+10= 15+30= 43= 34= 27+34= 67-14=38+55= 87-8= 96= 98-40= 84-75=50-2= 12= 30+26= 64= 82-7=89-34= 47-56= 62+(27-11)= 78+4= 31+50= 25= 87= 16+53= 6
9、5-15=33+50= 71-3= 94= 84-70= 95-59=20-3= 18= 60+18= 31= 91-4=87-43= 43-33= 65+(19-3)= 77+7= 22+50= 23= 34= 36+41= 53-13=30+50= 96-4= 94= 98-10= 95-65=60-6= 73= 50+25= 12= 75-3=90-25= 40-54= 64+(22-2)= 58+9= 15+50= 73= 29= 21+39= 97-24=25+52= 72-2= 43= 98-70= 90-75=50-1= 14= 70+29= 56= 81-8=84-47= 59
10、-62= 64+(27-6)= 66+3= 17+10= 55= 58= 11+34= 99-11=22+52= 81-5= 48= 74-50= 96-45=70-6= 26= 70+16= 75= 80-8=87-38= 48-65= 73+(23-11)= 75+9= 34+70= 77= 61= 11+38= 58-39=34+50= 98-6= 76= 83-70= 89-53=60-7= 59= 30+20= 29= 78-4=79-67= 51-44= 63+(27-6)= 52+10= 19+50= 41= 44= 15+39= 70-36=40+50= 78-2= 79= 8
11、7-40= 84-72=80-9= 69= 60+13= 65= 92-6=77-84= 45-26= 73+(26-12)= 74+7= 12+50= 55= 28= 28+36= 79-28=23+58= 98-2= 63= 95-50= 91-42=20-8= 76= 50+18= 52= 73-7=90-35= 55-23= 70+(20-7)= 35+10= 25+20= 63= 43= 34+44= 45-15=24+50= 93-7= 65= 83-20= 85-78=40-1= 62= 70+27= 88= 94-6=71-32= 52-46= 64+(22-12)= 13+4
12、= 27+70= 75= 81= 13+53= 98-23=26+53= 90-7= 17= 86-10= 91-29=20-3= 67= 40+28= 82= 81-8=76-23= 55-54= 66+(21-12)= 51+1= 14+70= 85= 45= 36+59= 75-30=32+54= 78-6= 85= 88-10= 91-51=70-4= 45= 30+15= 51= 80-8=93-35= 41-65= 63+(21-9)= 43+8= 18+40= 98= 18= 38+35= 61-17=23+53= 93-8= 48= 97-70= 89-75=30-1= 98=
13、 40+27= 44= 91-6=74-57= 45-36= 68+(27-2)= 42+1= 13+20= 93= 19= 19+39= 68-13=32+55= 91-7= 23= 90-20= 82-71=80-1= 14= 30+18= 61= 63-7=86-84= 44-52= 65+(21-5)= 35+10= 35+10= 28= 13= 28+34= 81-20=36+50= 77-5= 64= 95-20= 94-38=80-3= 96= 50+18= 23= 93-4=75-72= 48-54= 73+(25-5)= 19+5= 26+40= 75= 74= 30+33=
14、 81-39=34+59= 71-7= 52= 85-40= 81-45=90-3= 38= 20+12= 82= 85-4=74-44= 57-22= 63+(22-12)= 41+1= 14+60= 84= 66= 17+59= 56-39=36+53= 67-5= 91= 74-20= 82-61=60-6= 77= 30+21= 93= 85-5=92-37= 47-34= 64+(25-9)= 39+4= 15+60= 88= 36= 17+49= 42-11=35+55= 75-8= 24= 95-70= 99-72=90-4= 99= 40+14= 41= 81-7=77-62=
15、 54-22= 71+(18-2)= 97+1= 20+10= 39= 22= 36+41= 58-23=26+58= 75-8= 43= 99-30= 82-75=90-7= 25= 70+16= 44= 67-3=92-65= 55-53= 62+(19-8)= 56+10= 22+70= 77= 83= 38+58= 96-31=22+59= 64-5= 86= 83-20= 91-39=30-8= 28= 60+28= 82= 93-9=90-55= 51-33= 62+(27-10)= 57+10= 28+30= 31= 35= 29+49= 93-37=34+52= 97-5= 2
16、5= 72-40= 81-16=30-6= 65= 70+24= 87= 74-2=88-53= 52-55= 66+(26-2)= 89+6= 12+20= 51= 19= 27+42= 91-22=26+52= 94-5= 46= 96-20= 86-29=50-1= 56= 30+11= 75= 77-3=89-47= 47-63= 73+(23-6)= 35+3= 18+60= 88= 95= 38+35= 94-24=23+55= 75-7= 68= 82-60= 84-41=80-8= 21= 60+17= 38= 66-2=74-36= 45-43= 72+(25-2)= 51+
17、5= 25+20= 75= 33= 30+56= 91-18=21+51= 96-7= 98= 80-40= 83-62=90-4= 81= 20+15= 96= 98-3=78-43= 43-46= 70+(26-3)= 75+5= 21+10= 74= 66= 40+54= 95-28=34+55= 71-8= 53= 99-30= 87-29=70-8= 14= 20+19= 43= 75-2=71-22= 44-52= 60+(22-4)= 91+5= 29+20= 71= 34= 30+30= 49-23=39+54= 66-5= 45= 85-60= 80-38=80-2= 82=
18、 20+27= 23= 66-2=78-32= 53-24= 61+(22-10)= 44+9= 27+10= 39= 32= 17+44= 68-14=31+57= 69-2= 12= 86-70= 89-33=30-3= 87= 70+19= 45= 63-8=95-87= 59-32= 66+(21-12)= 11+6= 22+60= 57= 12= 37+39= 40-24=26+50= 82-3= 66= 95-30= 99-73=50-1= 72= 20+27= 74= 97-3=82-22= 54-45= 62+(26-7)= 56+9= 11+30= 79= 57= 15+55= 93-33=33+57= 68-5= 34= 98-50= 90-18=40-4= 76= 40+20= 75= 76-4=91-63= 58-54= 60+(20-6)= 44+4= 18+70= 93= 88= 19+44= 61-12=38+59= 71-4= 12= 74-50= 91-14=30-4= 39= 50+12= 16= 71-6=78-86= 59-42= 64+(23-10)= 11+1=
