二年级口算训练

1、34+54=29+60= 99-22=100-35= 29+40二36+6=20+6=70+20= 24+62=54+24=90-10=57-7=60+13=50+25=76-50=80+17=89-36= 30 + 55= 61 + 17=48-25 =91-18=80-7=58 + 31=8+26=18 + 6 =36+30=75 + 5=80-9=84-14=32-21 =87-5=68-2= 80 + 15=93-7=89-80=92-70=84-20= 32 + 15= 50+30=48 + 3 =54+7=63+9= 90-8= 48-25=91-18=80-47=58+31= 1

2、8+26= 18+6=52-12=26-9=24+22= 75-25 = 37-8=12 + 16 =20+15=16+22= 80+20= 70+23=50+20二44+6=64+20= 12 + 34=93-7=89-80=92-20=84-20= 32 + 5=50+37= 48+7 =54+27=63 + 19=90-8=9 + 37=80-6=42+34=12+32=70-30=8+55=13+20=50+12=8+30=42+39=64-41=44+51=37+58=87-20=99-26=76+24=52+48 =82-33=99-76=61-22=39+24=37+51=70-

3、45=97-30=12+16=20+15=16+20=口算训练80+12=70+23=50+24=44+35=64+20二12+34=24+23=48-34=63+26=49+10=35+13=18+10=56+12=64-23=35+12=22+56=90-9=63-7=40+29=12+32=70-3=8 + 55=86-9=64+22=75-23 =36-6=20-6=70-20=24+62=54+24二90-19=50-7=60+13=5+25=76-50=8+17=89-34=30+15=61+7=24+23=48-34=63+23=49+11=35+13=18+12=56+12=6

4、4-23=35+12=24+56=90-9=63-17=40+29= 6+30=75+5=80-9=1 /184-70=32-21= 87-45=68-20=80+20=60+22=71-30=32+12=36+17=42+18=36+34=57-24=62+20=21+16=13+20=26+4=35+12=61+25=39+6=43+7=51+2=75+3= 26+3=61+5=68-47=76-45=68-41= 94-28=23+23=65 + 31=31+62= 44+43= 71-34= 85-23=98-58 =40+49=79-54=60-24=81-22=68-41 =37+

5、59=94-49=26+55=86-36=28+33=口算训练74-22=40+42=66+33=59-22=33+58=85-51=43+25=85-31=81-32=26+74=85-41=29 + 53=86-62=98-34 =64+24=51-27=64+30=22+71=48-23=53-28 =39+26 =60-23= 73+20= 56+20=66-21=20+24= 95-58= 26+29 = 34+55=54-31=25+73=33+58=74-37=60-38=77-54=95-49 =25+6=64+5 =62 + 5 =14+85=38+49=32+27=23+52=27+22=30+45= 94-41=99-74=94-40= 80-47=39+30=31+37=61+29=22+42=92-56= 46+25=23+42=100-62= 43+44=64+25=20+22= 10+24二8+13=62+57= 31+6=67+54=32+4=58+9=86 + 5=32 + 6=78 + 6=88-30=96-43= 47-23 =76-35=25+57= 24+69二72-38=78-36= 73-20=21+56=82-44=