求150道五年级下册数学异分母分数加减法简便计算题!一定要是简便计算的

1个回答

  • 1.3/7 -49/9 - 4/3

    2.8/9 + 15/36 + 1/27

    3.12+5/6 – 2/9 ×3

    4.8+ 5/4 + 1/4

    5.6- 3/8 – 3/8 ÷6

    6.4/7 - 5/9 + 3/7 - 5/9

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

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

    9.9 - 5/6 + 5/6

    10.3/4 - 8/9 - 1/3

    11.7 - 5/49 + 3/14

    12.6 +( 1/2 + 2/3 )

    13.8 +4/5 + 8 -11/5

    14.31 -5/6 – 5/6

    15.9/7 - ( 2/7 – 10/21 )

    16.5/9 + 18 – 14 +2/7

    17.4/5 + 25/16 + 2/3 +3/4

    18.14 - 8/7 – 5/6 + 12/15

    19.17/32 – 3/4 - 9/24

    20.3 +2/9 + 1/3

    21.5/7 × 3/25 + 3/7

    22.3/14 +2/3 + 1/6

    23.1/5 -/3 + 5/6

    24.9/22 + 1/11 -1/2

    25.5/3 - 11/5 + 4/3

    26.45 - 2/3 + 1/3 -15

    27.7/19 + 12/19 +5/6

    28.1/4 + 3/4 +2/3

    29.8/7 +21/16 + 1/2

    30.101 + 1/5 – 1/5 - 21