1、16分之1+2分之1×8分之5-3分之1

1个回答

  • 1、1/16+1/2×5/8-1/3

    =1/16+5/16-1/3

    =6/16-1/3

    =3/8-1/3

    =9/24-8/24

    =1/24

    2、1/2+(3/4-1/12)×3/5

    =1/2+(9/12-1/12)×3/5

    =1/2+8/12×3/5

    =1/2+2/5

    =5/10+4/10

    =9/10

    3、(7/9-15/18)×(3/4+5/8)

    =(14/18-15/18)×(6/8+5/8)

    =-1/18×11/8

    =-11/144

    4、(1/6×3/8)×24

    =1/6×24+3/8×24

    =4+9

    =13

    5、45×4/9—4/9×45

    =4/9×(45--45)

    =4/9×0

    =0

    6、27×4/5+27÷5

    =27×4/5+27×1/5

    =27×(4/5+1/5)

    =27

    7、36×(5/9-5/12)

    =36×5/9-36×5/12

    =20-15

    =5

    8、56×0.18+18%×44

    =56×0.18+0.18×44

    =0.18×(56+44)

    =0.18×100

    =18

    9、4-4×(5/12+3/8)

    =4-4×(10/24+9/24)

    =4-4×19/24

    =4×(1-19/24)

    =4×5/24

    =5/6