小学二年级上学期口算练习1-4.doc

口算练习（一）3+24= 79-34= 4+29= 8+36= 52+12= 68-28= 46+31= 56-41= 35-6= 75-33=52-9= 69-62= 75-45= 71-4= 2+59=6+25= 66-9= 4+29= 82-8= 32-5=95 46 89 46 8389-39= 69+6= 89-22= 4+29= 5+29=4+17= 93-13= 80-4= 63+9= 5+29=68-62= 90-5= 80-6= 72-11= 95-6=74 39 59 55 1874-6= 92-52= 76-8= 5+29= 80-2=59+2= 5+39= 34+63= 1+49= 85-9=6（ ）=48 ( )-39=20 ( )+23=73 62-( )=17 37+( )=6748+46+4= 3+22+68= 73+9+16= 61+2+18=89+7 96- 87 16+66 48-6 83-39 24+49 97-41 95-22 86+17 90- 77 16+69 49-16 83-35 24+48 67-41 85-22 口算练习（二）3+24= 69-4= 41+28= 58+36= 42+12= 58-28= 46+34= 76-41= 35-8= 75-3=72-9= 79-32= 75-35= 71-4= 2+59=5+25= 66-9= 44+9= 82-4= 32-7=45 57 98 24 7379-39= 69+11= 49-32= 23+29= 11+29=4+17= 73-13= 60-46= 43+19= 5+29=65-22= 90-45= 88-66= 72-7= 95-6=74 49 89 65 5874-6= 92-3= 76-8= 54+2= 80-22=59+2= 51+19= 34+35= 17+4= 88-39=6（ ）=43 ( )-34=24 ( )+23=62 83-( )=17 37+( )=5541+46+4= 3+32+68= 7+9+16= 61+2+8=9+37+3= 32+39+16= 51+1+6= 59+18+2= 83-49 24+79 68-41 79-22 66+17 90- 67 16+39 48-16 83-45 24+78 69-41 75-22 口算练习（三）43+4= 69-24= 41+9= 38+37= 62+15= 78-27= 36+33= 66-43= 35-15= 75-24=72-20= 69-43= 75-44= 71-22= 12+63=56+5= 66-9= 44+8= 82-7= 32-5=79 48 87 46 4569-3= 69+7= 49-27= 43+6= 51+9=44+7= 93-13= 80-4= 63+9= 35+9=68-42= 90-6= 80-8= 72-12= 95-6=79 59 39 85 2874-6= 92-7= 76-36= 54+25= 80-8=59+2= 51+9= 34+53= 17+4= 85-34=6（ ）=54 ( )-39=27 ( )+23=61 72-( )=27 37+( )=5496+17 90- 97 16+59 48-16 83-39 24+49 69-41 89-22 95+17 90- 77 16+58 49-16 83-29 24+39 79-41 87-22 83-69 24+39 63-4 88-22 口算练习（四）8+24= 69-34= 41+9= 38+6= 62+12= 78-38= 36+41= 67-41= 35-7= 77-34=72-9= 59-32= 85-55= 71-3= 2+59=56+5= 66-9= 44+9= 72-8= 32-8=85 49 38 46 7369-39= 69+6= 49-22= 43+2= 5+29=44+7= 33-13= 86-40= 63+9= 5+29=66-22= 95-65= 86-66= 72-7= 95-6=79 69 49 34 9874-5= 92-7= 76-8= 54+9= 80-8=59+5= 51+9= 24+33= 17+8= 85-35=6（ ）=36 ( )-10=29 ( )+20=71 72-( )=30 30+( )=6486+4= 39+8= 7+96= 61+2-40=39+3=