五年级分数加减计算题不要乘除,快

1个回答

  • 简便:

    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

    4.30/46 - 1/2 + 7/23

    5.8/11 + 2/6 + 7/33

    6.19/8 - 1/2 - 3/4

    7.7/25 + 3/10 - 2/5

    8.18/121 - 1/2 + 9/11

    9.6/17 - 1/51 - 1/34

    10.8/15 + 7/3 - 8/5