五年级分数加减法计算题 要加减法,是递等式哦
1个回答

1.5/2 -( 3/2 + 4/5 )

2.7/8 + ( 1/8 + 1/9 )

3.5/6 + ( 1/2 + 2/3 )

4.9/7 - ( 2/7 - 10/21 )

5.3/7 + 49/9 + 4/7

6.8/9 + 15/36 + 3/27

7.5/2 - ( 3/2 + 4/5 )

8.7/8 + ( 1/8 + 1/9 )

9.9/7 - ( 2/7 - 10/21 )

10.1/5 + ( 3/7 + 8/10 )

分数脱式:

1.1/3 + 3/4 + 1/5

2.3/8 + 8/3 - 1/2

3.5/6 + 1/12 + 3/4

6.19/8 - 1/2 - 3/4

7.7/25 + 3/10 - 2/5

10.8/15 + 7/3- 8/5

14 2/3+1/6+3/24+2/21

52-(32+45)

78+18+19

97-(27-1021)

240400+12400-150400

23+59-23+59

186240+88240+252240

67+215+17+1315

89+14+19+34

23+59-23+59

7/8 + ( 1/8 + 1/9 )

9/7 - ( 2/7 – 10/21 )

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

7/12-5/24+2/3

1/2-1/3-1/6

4/7+5/11+5/7

5/8+2/11+9/11

17/24+5/12-11/24

11/12+1/6-5/24

5/6-5/7+1/6-1/7

4/5-(1/4+2/5)

1-1/4-3/4

5/7+5/9+2/7+4/9