四年级下册口算专项训练题(2)

22.(905+985)÷(203-168)

23.24×36-3213÷9

24.(378-158)÷(38+72)

25.726+824÷8-409

26.120×3÷5

27.120÷3÷5

28.78x101-178

29.178x101-17

30.178x101-78

四年级下册口算练习题

2+6= 29-7= 33+2= 3+40= 15+4= 23+5=

37+3= 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= 11+9= 80-3= 95-4= 64+3=

98-4= 25+7= 62-2= 83+5= 83+10= 10+8=

56+20= 64+6= 65+3= 15-3= 30-3= 32+6=

29-7= 35+2= 73+4= 25+4= 43+5= 87+10=

39-3= 48-30= 95-40= 81-2= 60+8= 39+10=

76+10= 70+30= 48-9= 47-8= 52-4= 43-8=

68-9= 40-2= 27-9= 32-4= 41-2= 38-9=

50-8= 63-9= 37-8= 56-20= 88-9= 75-9=

92-3= 42-7= 71-6= 58-10= 47-8= 26-7=

52-3= 69-10= 63-5= 80-2= 36-9= 78-4=

65-8= 99-9= 72-2= 45-9= 86-8= 96-2=

24-9= 40-2= 46-9= 43-4= 18-2= 38-8=

35+5= 85+2= 59-4= 78+10= 82-5= 64+6=

32+7= 49-5= 63+3= 84-2= 60-4= 11+20=

45-3= 30+8= 60-7= 25+4= 36-5= 84+4=