人教版六年级数学分数加减法口算练习

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分数加减法口算练习

(细心看清数字和符号,结果请用最简分数表示。)

21+31= 21-41= 52-51= 74-71= 87-83

= 101+ 52= 65-32= 31+51= 83-41= 32+31

125-125= 109-101= 54-52= 61+ 31= 21-81

83+83= 21-51= 74+73= 1-87= 65+6

5

= 1-

125= 53+21= 109-103= 75-7

5

= 83+85=

61+127= 41+43= 73+21= 109-21= 109

-5

3= 32-61= 54-103= 197+1911= 125-121= 65+3

1= 51-61= 61+41= 71-81= 81+81= 83-31= 95+94= 95—31= 54-32= 21-125= 65- 3

2= 21+0.4= 21-0.5= 0.2+101= 1-12

7= 85+87=

83+21= 1-94= 98-31= 54-31= 61+81

= -43=21 +31=61 -71=9

1

5121+= =-991010 =+4131

=-113118 1-=101 2-=75 6+=81

-4

3

0.75= 78 +58 = 2-23 = 29 +49 = 712 ―1

12

92+95=

1-76=

53+54= 107-103=

85-41= 32+61= 51-8

1= 3

2+94

=

78 +1

2 = 14 +1

3 = 45 -23 = 5-1

4 = 14 +1

3 = 15 ―1

7 =

56 ―7

12 = 34 +1

712 ―1

= 6-

8

11

= 1

2+3= 512-112

9

7-94= 101

+103=

8

3+85=

6

1

-6

1= 31

+41= 2

1-3

1= 1-72

= 21+61= 61+6

5= 73-73

= 8

1+85= 10

9

-103=

1-94

= 8

1+41= 31-41= 2

1+3

1= 1-45 -15 = 23 +45 +13 = 1-49 +59 = 5-37 -47 = 3―17 ―67

1

2

-13-16= 59 +89

= 18 +7

8 = 1924 -1324 = 1936 +3

36 = 37 +47 = 118 -18 = 14 -19 = 1213 -3

13

= 25 +15 = 47 -27 = 58 +18 = 19 +29 = 16 +16 = 23 -13 = 910 +1

10

= 712 -5

12 = 255 -105 = 1-2

5 = 13 +23 = 47 -27 = 1

6 +56 = 910 -3

10

29 +49 = 18 +18 +38 = 1- 29 -49 =

1211 -1

11 = 47 +47 = 1-89 = 12 +15 +12 = 25 -15 = 34 +14 = 29 +59 = 12 +12 = 58 -38 = 56 -16 = 14 -15 = 1-5

6 = 910 -4

10 = 1110 -38 = 89 +411 +1

9 = 1-16 -16 = 34 +14 +1

4 = 78 -38 +38

= =+5251 =-8385 =+3121 =-2143 =+8381

=+3195 =-10121 =+15153 =+18198 =+114117 =-3265 =

-411

57 +67 = 18 +78 = 1724 -1324 = 1737 +3

37 = 37 +47 = 119 -19

= 14 -1

7

= 89 +56 +1

9 = 1-36 -16 = 57 +67 = 18 +78 = 1724 -1324 = 1737 +3

37 = 37 +47 = 119 -19 = 14 -17 = 1110 -38

= 89 +56 +19 = 1-36 -16

= 125

-241=

89 +411 +1

9 = 65+43-3

1= 1112 -(16 +1

8

)=

11-710 -310 =

712 -(34 -12 )=

12 -(34 -3

8

)= 41+52-103

= 6

5-32+

24

5= 21+32

-154= 8

7-(21+16

3

)= 92

+(109-52)= 2017

-(52+209)=

97

-(61+94

)= 43-92+41= 65-94+61-92= 8

5+81-103-10

1= 109

-(101+52)=

7

3+158+74+157=

103

+31+101

= 145+43+149+4

1= 4

1+127+43+12

5

=

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