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
2
=
712 ―1
3
= 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
=