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