1100以内(不进位不退位)口算练习题(1)班级__________学号__________姓名__________一、口算79-41=88-5=46+13=96-44=17-12=77-43=10+65=11+25=88+10=69-9=12+14=65-30=55-11=66-22=56+10=46-13=5+54=40+39=76-52=98-11=13+66=88-72=43+31=86-11=2+25=20+36=57-22=89-2=28-11=86-82=56-55=75-65=79-61=93-21=22+42=20+74=48-45=96-96=55-31=11+36=17+12=80+20=26+3=64-34=31+30=55-51=87-77=27+2=3+23=77-36=20+18=63+32=42+55=4+40=30+14=93-52=4-4=20+31=84-74=53+40=35+54=96-31=10+33=26-10=99-89=57-55=69-29=36-14=33+32=99-56=6+71=10+78=18-5=34-11=68-37=0+38=86-55=56-26=47-31=86-5=98-12=8-2=22+1=96-62=69-54=32+26=89-83=68-8=54+21=88-81=49-33=85-5=68-47=43+51=58-52=95-5=37-31=98-17=31+20=93-70=二、列竖式计算
98-17=35+24=7+32=66+13=2100以内(不进位不退位)口算练习题(2)班级__________学号__________姓名__________二、仔细观察找规律
1)45,47,49,,,,
2)22,32,42,,,,
3)11,22,33,,,,
4)○△○▼○△○▼○,,,