脱式计算,能简算的要简算. 97÷1+35.6+0×6 1375+450÷15×25 [4.5+(13× 3 8 +13

1个回答

  • (1)97÷1+35.6+0×6

    =97+35.6+0,

    =132.6;

    (2)1375+450÷15×25

    =1375+30×25,

    =1375-750,

    =625;

    (3)[4.5+(13×

    3

    8 +13×

    3

    8 )]÷

    5

    3

    =[4.5+(13×

    3

    8 ×2)]÷

    5

    3 ,

    =[4.5+9.75]÷

    5

    3 ,

    =14.25×

    3

    5 ,

    =8.55;

    (4)48×

    9

    16 +48×

    7

    16 +48×8

    =(

    7

    16 +

    9

    16 +8)×48,

    =9×48,

    =432;

    (5)94.47-(94.47-86.555)

    =94.47-94.47+86.555,

    =0+86.555,

    =86.555;

    (6)3.42×76.3+76.3×5.76+9.18×23.7

    =(3.42+5.76)×76.3+9.18×23.7,

    =9.18×76.3+9.18×23.7,

    =(76.3+23.7)×9.18,

    =100×9.18,

    =918.