小学一年级数学口算习题

95-4= 70+28= 6+98= 19-6=

20+80= 65+30= 92-50= 13+5=

85-2= 58-30= 58+30= 36-3=

36-30= 5+34= 50+34= 12+5+50=

65-5-50= 80-20+6= 6-4+80= 5-3+70=

70-30+5= 60+4+20= 75-70+9= 80-20+15=

6+32-30= 46-6+60= 78-8+29= 30+50+12=

25-20+71= 54+3-5= 46+6+20= 90-50+42=

32-2+58= 75-40-3= 22-20+50= 36+20-20=

59-30+30= 28-8+25= 90-10-60= 30+70-50=

22+4+40= 36+3+10= 56-2+10= 85+10-20=

12+6= 29-7= 33+2= 3+40= 15+4=

23+5= 37+1= 29-3= 38-3= 15-4=

18-2= 30+8= 43+1= 86+2= 70+3=

30-2= 72-2= 66-4= 39-2= 20-9=

53+5= 35+2= 39-4= 8+50= 20-1=

40+6= 62+7= 89-5= 63+3= 34-2=

50-4= 11+2= 53-3= 60+8= 80-7=

32+4= 26-5= 84+4= 35-10= 71+9=

18-4= 66+10= 83-3= 71+5= 60-5=

36+3= 58+30= 28-7= 87-10= 80-6=

55+2= 57-4= 3+54= 10+78= 61-4=

5+10= 8+30= 50+4= 70+1= 60+1=

3+30= 1+80= 40+3= 6+20= 2+30=

8+60= 9+80= 6+40= 40+4= 80+8=

20+4= 40+7= 10+6= 2+40= 90+6=