一年级数学口算练习 (十一) 一( )班 姓名
77-10= 56-5= 29+10= 41+8= 98-5= 63-50= 69+20= 96-80= 69-8= 35-30= 15-9= 19-5= 52-20= 100-90= 35+20= 8+61= 32+5= 21-1= 40+60= 5+32= |
20+52= 80-60= 54+20= 70-40= 30+70= 42-1= 13-6= 16-3= 63-30= 36-30= 35-20= 18-7= 6+53= 80+8= 44-40= 23-20= 45+3= 33+30= 52+5= 24-20= |
30+18= 11-9= 56+3= 19-4= 14-9= 70-30= 100-50= 8+20= 30+70= 12-8= 18-2= 3+64= 80+9= 70+4= 3+52= 6+90= 56-6= 67-60= 77-7= 5+43= |
15-6= 16-5= 10+36= 78+10= 14-7= 17-4= 51-40= 75-50= 6+50= 6+60= 28-8= 38+30= 6+23= 42+4= 63+3= 51+8= 88-80= 43+2= 21+60= 35+4= |
70-( )=20 40+( )=46 36-( )=30 65-( )=60 ( )-40=20 25+ |