用递等式计算下面各题,能简算的要简算

1个回答

  • (1)

    5

    6 ×0.25+

    1

    4 ×

    1

    6

    =

    5

    6 ×

    1

    4 +

    1

    4 ×

    1

    6 ,

    =(

    5

    6 +

    1

    6 )×

    1

    4 ,

    =1×

    1

    4 ,

    =

    1

    4 ;

    (2)(

    3

    4 +

    11

    6 -

    13

    24 )×12,

    =

    3

    4 ×12+

    11

    6 ×12-

    13

    24 ×12,

    =9+22-6

    1

    2 ,

    =24

    1

    2 ;

    (3)3

    3

    4 ×8-3

    3

    4 ×6+3×3.75

    =3

    3

    4 ×8-3

    3

    4 ×6+3×3

    3

    4 ,

    =(8-6+3)× 3

    3

    4 ,

    =5×3

    3

    4 ,

    =18

    3

    4 ;

    863+47.95÷0.35-529

    =863+137-529,

    =1000-529,

    =471.