分数加减法混合运算(用简便方法运算)15道题
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5/3+7/6=17/6

1/2+1/3=5/6

1/2-1/3=1/6

1/2+3/4-3/10=19/20

2/9+5/6+1/3=25/18

4/5-3/10+2/3=7/6

1/2-3/4+3/8=1/8

5/6-1/3+3/10=1/5

1/2+1/4+1/6+1/8+1/10=137/120

2/3+4/7-3/10=197/210

1/4-2/9+4/5-5/9=49/180

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

1÷4/5= 7/10÷1= 1/9÷5=

1/2÷2/3= 3/8÷5/8 = 9÷3/4 =

2/7÷2/7 = 6÷1/6= 3/5÷1/3=

1/3÷1/4= 2/5÷5= 5/12÷1/3=

1÷10/11= 5/12÷1/8 = 9/10÷3/4=

2/9÷3/18= 1/4÷3= 12/13÷26=

19/6÷3/2= 2/3÷7/2= 6/7÷14/2=

16/7÷21/4= 29/3÷6= 4/3÷7=

94÷8= 3/12÷2/9= 1/6÷2/9=

6÷ 1/4 = 20÷ 1/4= 1/4÷5 =

1÷3/5= 5/10÷1= 1/8÷5=

1/2÷1/3= 3/8÷7/8 = 9÷3/5 =

2/7÷2/5 = 6÷1/2= 3/5÷1/4=

1/3÷1/3= 2/5÷1/5= 5/12÷1/6=

1÷1/15= 5/12÷1/7 = 9/10÷3/2=

2/9÷3/12= 1/4÷1/2= 12/14÷26=

19/6÷1/2= 2/3÷1/2= 6/7÷1/2=

16/7÷1/4= 29/3÷1/6= 1/3÷7=

14÷8= 3/8÷2/9= 1/6÷4/9=

6÷ 1/4 = 20÷ 1/4= 1/4÷/5 =

1/2÷4/5= 7/10÷1/5= 2/9÷5=

1/2÷1/3= 3/8÷1/8 = 9÷1/4 =

2/7÷1/7 = 6÷5/6= 3/5÷2/3=

1/3÷3/4= 2/5÷1/5= 5/12÷1/13=

1÷9/11= 5/12÷7/8 = 9/10÷1/4=

2/9÷5/18= 1/4÷2/3= 12/13÷1/5=

19/6÷3/12= 2/3÷7/12= 6/7÷1/12=

16/7÷1/24= 1/3÷6= 4/13÷7=

3/4÷8= 3/8÷1/9= 1/6÷2/7=

6÷ 1/12 = 20÷ 1/5= 1/4÷1/5 =

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/7 = 2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 81.2-11÷7-×3= 6696÷62-6.5×10.6 =

1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10= 17÷1000=

0.56+0.4= 1.25×100= 5.6+99=

100÷25= 1-0.93= 90-0.9=

794-198= 68×25= 6756-193-207=

72×125= 97×360+3×360=

4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/7 = 2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 81.2-11÷7-×3= 6696÷62-6.5×10.6 =

12×8=

13×9=

49×7=

911×8=

36×29=

59×72=

110×94=

234×26=

765×138=

879×319=

154×13=

562×18=

29×318=

14×3=

1213×26=

196×32=

23×72=

67×142=

167×214=

293×6=

12×6=

16×9=

43×7=

94×8=

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