一年级数学口算

一年级数学口算（6）

58+8= 7+79= 57+4= 4+17= 49-4= 42-8=

69+8= 57+40= 67+5= 49-40= 50-9= 62-3=

37+8= 9+86= 67+7= 53-8= 73-4= 56-4= 86+9= 7+25= 70+25= 25+7= 25+40= 7+25= 35+5= 27-9= 25-6= 9+73= 3+38= 30+38= 57-40= 9+35= 9+91= 88+9= 35+50= -8= 7+66= 5+75= 14+8= 94+6= 38-2= 6+30= 99-5= 46+8= 66+30= 39+9= 66-30= 92-70= 5+78= 73-9= 94-5= 5+36= 88-5= 4+56= 76-2= 40+56= 44-2= 81-2=

81-20= 53-2= 53-20= 37+6= 94-50=

5+46=

61-4= 61-40=

7+57= 85-50= 14+80= 19+7= 44-20= 33-6=

37-8= 85-5= +7= 5+29= 19+70= 29-7=

58-9= 61-8= 8+35= 74+9= 50+29= 2+98=

87-4= 7+28= 7+85= 76-60= 5+69= 76-6= 30+48= 70-4= 72-6= 84-7= 87-40= 49+40= 2+19= 58+8= 35+5= 4+66= 91-4= 31-9= 62-9= 92-4= -20= 8+36= 3+57= 68+7= 35-5= 36-9= 9+58= 49+4= 42-5= 39+3= 39+30= 39-30= 38-3= 8+29= 78-20= 92-7= 9+49= 92-40= 75-2= 59-8= 88-3= 34-6= 67-30= 16+6= 92-70= +2=

91-3=

91-30=

80-8=

75-9=

6+39=

24-8=

78-9=

28-9=

38+7= 25-6= 42-4= 85-7= 51-2= 9+47=

-9= 41-5= 25-9= 63-4= 95-50= 9+29=

80-7= 84-6= 62-3= 60-6= -8= 34+7=

73-6= 36-9= 63-4= 38-9= 3+39= 42+9= 72-5= 36-8= 34+7= 84-3= 62-3= 90-9= 76+5= 53+8= 21-8= 56+6= 36+8= 73-6= 84-30= 9+= 3+48= 21-6= 71-2= 5+28= 7+27= 62-6= 49+7= 84-8= 29+2= 31-7= 18+4= 29+4= 36+9= 60-6= 43+9= 55+7= 48+5= 80-5= 6+87= 67-8= 3+77= 73-7= 9+91= 7+58= -5= 67-8=

29+2=

47+5=

25-6=

32-9=

5+49=

57-9=

43-8=

5+25=

21-9= 46+7= 32-4= 68+8= 50-7= 9+=

35-9= 6+79= 74-8= 57+8= 25-8= 9+38=

73-9= 35+7= 51-3= 6+58= 34-9= 52-8=

8+29= 4+36= 17+7= 76-9= 81-4= 65+8= 36-7= 84-6= +9= 84-60= 91-5=

9+32=