Question

五年级下学期异分母计算题（例如：2∕3+3∕6=7∕6）

一定要是加减法！！千万别是乘除法！！急急急！！

Answer 1

3/4+1/5=4/5 3/4-1/5=11/20 5/6+2/9=19/18 5/6-2/9=11/18 2/3+3/5=19/15
2/3-3/5=1/15 6/7+1/2=19/14 6/7-1/2=5/14 2/3+1/6=5/6 1/3+1/4=7/12
1/3-1/4=1/12 1/5+1/7=12/35 1/5-1/7=2/35 1/4+1/9=13/36 1/4-1/9=5/36
1/8+1/9=17/72 1/8-1/9=1/72 1/10+7/9=79/90 5/7-1/6=23/42 1-5/9=4/9
1/5+3/8=23/40 3/4+1/5=19/20 2/3-3/5=1/5 1-2/5=3/5 5/8-1/9=37/72
1/10-1/20=1/20 1/6+3/8=13/24 5/9-1/2=1/18 2/3+1/4=11/12 1/2+1/3=5/6
5/6+1/18=8/9 3/5-1/3=4/15 17/15-1/3=4/5 11/12-2/3=1/4 1/2-1/4=1/4
1/7-1/8=1/56 1/3-1/9=2/9 5/6-1/2=1/3 1-2/3=1/3 5/8-1/6=11/24
1/3+1/6=1/2 3/4-1/2=1/4 1/5+1/8=13/40 5/6+4/9=23/18 5/9-2/5=7/45
3/7+5/2=41/14 5/8+9/10=61/40 11/12-8/15=23/60 1/4+1/6=5/12 1/4-1/6=1/12
1-6/7=1/7 11/12-2/3=1/4 3/10+2/5=7/10 7/8-1/4=5/8 3/4+5/12=7/6
3/5-3/7=6/35 5/4-5/12=5/6 1/5-1/9=4/45 1/3-1/8=5/24 11/6-2/9=29/18
1/5+1/9=14/45 1-2/5=3/5 7/4+1/7=53/28 1-1/9=8/9 2/3-2/7=8/21
5/6+1/2=4/3 4/3-3/4=7/12 1-4/7=3/7 4/3+3/2=17/6 5/9+18/5=5/6
3/8+7/10+5/8=17/10 7/8-(1/8+3/4)=0 4/7+1/6-4/7=1/6
2-7/9-2/9=1 3/5+7/8+2/5=15/8 7/9-(1/9+1/3)=1/3
1/4+(2/5+3/4)=7/5 5/6-3/10+1/6-7/10=0 3/4+1/6-2/3=1/4
7/8-1/4+4/9=77/72 1-1/3+2/7=20/21 1/2+4/5-3/10=1
5/6-(2/3-1/9)=5/18 9/10-(3/4+1/8)=1/40 1/2+2/3-3/4=5/12
7/8-1/6+1/4=23/24 1-(3/4-2/9)=17/36 9/10-1/5-1/2=1/5
1/4+3/7+1/2=33/28 7/8-(2/3+1/6)=1/24 1-(1/3+3/5)=1/15
1/2+1/4+1/3=13/12 7/8+1/4+1/2=5/8 5/7-(4/7+1/9)=2/63
1-1/4-1/2=1/4 3/4-1/6-1/3=1/4 3/10+1/4+2/5=19/20
2/3+1/6+1/12=11/12 1-1/4-2/5=7/20 1/2+1/9+1/12=25/36
(注：/ 前面的为分子，后面的为分子，如2/3是三分之二)

Answer 2

3/4+1/5=4/5 3/4-1/5=11/20 5/6+2/9=19/18 5/6-2/9=11/18 2/3+3/5=19/15
2/3-3/5=1/15 6/7+1/2=19/14 6/7-1/2=5/14 2/3+1/6=5/6 1/3+1/4=7/12
1/3-1/4=1/12 1/5+1/7=12/35 1/5-1/7=2/35 1/4+1/9=13/36 1/4-1/9=5/36
1/8+1/9=17/72 1/8-1/9=1/72 1/10+7/9=79/90 5/7-1/6=23/42 1-5/9=4/9
1/5+3/8=23/40 3/4+1/5=19/20 2/3-3/5=1/5 1-2/5=3/5 5/8-1/9=37/72
1/10-1/20=1/20 1/6+3/8=13/24 5/9-1/2=1/18 2/3+1/4=11/12 1/2+1/3=5/6
5/6+1/18=8/9 3/5-1/3=4/15 17/15-1/3=4/5 11/12-2/3=1/4 1/2-1/4=1/4
1/7-1/8=1/56 1/3-1/9=2/9 5/6-1/2=1/3 1-2/3=1/3 5/8-1/6=11/24
1/3+1/6=1/2 3/4-1/2=1/4 1/5+1/8=13/40 5/6+4/9=23/18 5/9-2/5=7/45
3/7+5/2=41/14 5/8+9/10=61/40 11/12-8/15=23/60 1/4+1/6=5/12 1/4-1/6=1/12
1-6/7=1/7 11/12-2/3=1/4 3/10+2/5=7/10 7/8-1/4=5/8 3/4+5/12=7/6
3/5-3/7=6/35 5/4-5/12=5/6 1/5-1/9=4/45 1/3-1/8=5/24 11/6-2/9=29/18
1/5+1/9=14/45 1-2/5=3/5 7/4+1/7=53/28 1-1/9=8/9 2/3-2/7=8/21
5/6+1/2=4/3 4/3-3/4=7/12 1-4/7=3/7 4/3+3/2=17/6 5/9+18/5=5/6
3/8+7/10+5/8=17/10 7/8-(1/8+3/4)=0 4/7+1/6-4/7=1/6
2-7/9-2/9=1 3/5+7/8+2/5=15/8 7/9-(1/9+1/3)=1/3
1/4+(2/5+3/4)=7/5 5/6-3/10+1/6-7/10=0 3/4+1/6-2/3=1/4
7/8-1/4+4/9=77/72 1-1/3+2/7=20/21 1/2+4/5-3/10=1
5/6-(2/3-1/9)=5/18 9/10-(3/4+1/8)=1/40 1/2+2/3-3/4=5/12
7/8-1/6+1/4=23/24 1-(3/4-2/9)=17/36 9/10-1/5-1/2=1/5
1/4+3/7+1/2=33/28 7/8-(2/3+1/6)=1/24 1-(1/3+3/5)=1/15
1/2+1/4+1/3=13/12 7/8+1/4+1/2=5/8 5/7-(4/7+1/9)=2/63
1-1/4-1/2=1/4 3/4-1/6-1/3=1/4 3/10+1/4+2/5=19/20
2/3+1/6+1/12=11/12 1-1/4-2/5=7/20 1/2+1/9+1/12=25/36
(注：/ 前面的为分子，后面的为分子，如2/3是三分之二)

Answer 3

6/5-4/2= 3/2-2/1= 4/1+3/2=
5/3-3/1= 8/4-6/1= 3/5-4/3=
6/2+3/1= 9/5-2/1= 7/2+3/1=
5/2-6/2= 4/2+2/1= 8/3-5/1=
9/3-3/1= 12/7-8/3= 5/2+3/1=
1-9/4= 9/5+9/8= 8/1+8/7=
24/19-24/13= 36/19+36/3=
7/3+7/4= 8/11-8/1= 4/1-9/1=
13/12-13/3= 9/8-9/1= 1-6/1=
4/3+4/1= 8/7-8/3= 9/2+8/3=
7/2+2/1= 6/2-7/1= 3/2-4/1=
8/2-13/2= 5/1+7/1= 3/1+2/1=
4/1+2/1= 2/1-5/1= 7/5+8/1=
5/2-3/1= 6/1+5/2= 9/5+8/1=
4/1-6/1= 5/2+7/1= 6/1+2/1=
9/2-12/3= 3/2+8/1= 5/2-3/1=
3/1-4/1= 9/2+2/1= 2/1+8/4=
1/4+1/8= 2/3-1/6= 3/7+5/14=
2/5-2/15= 7/8-9/16= 1/32+1/4=
2/9+7/9= 3/4-9/16= 25/32-3/8=
3/5+13/15= 23/25+1/5=

Answer 4

3/7 + 49/9 - 4/3
8/9 +15/36 + 1/27
12+ 5/6 – 2/9 +3
8— 5/4 + 1/4
6-3/8 – 3/8
4/7 + 5/9 + 3/7 + 5/9
5/2 -（ 3/2 + 4/5 ）
7/8 + （ 1/8 + 1/9 ）
9+ 5/6 + 5/6
3/4 + 8/9 - 1/3
7 +5/49 + 3/14
6 +（ 1/2 + 2/3 ）
8 + 4/5 + 8 + 11/5
31 + 5/6 – 5/6
9/7 - （ 2/7 – 10/21 ）
5/9 + 3/7 + 49/9 - 4/3
4/5 + 25/16 + 2/3 + 3/4
14 + 8/7 – 5/6 + 12/15
17/32 – 3/4 + 9/24
3 + 2/9 + 1/3
5/7 + 3/25 + 3/7
3/14 + 2/3 + 1/6
1/5 + 2/3 + 5/6
9/22 + 1/11 — 1/2
5/3 + 11/5 + 4/3
45 + 2/3 + 1/3 + 15
7/19 + 12/19 + 5/6
1/4 + 3/4 - 2/3
8/7 + 21/16 + 1/2
1/5 – 1/5 + 21