简算.0.56×0.125 24÷0.125 48×0.25 4÷0.25 6.42×99 18.65-3.7+1.35

1个回答

  • 0.56×0.125

    =(0.56÷8)×(0.125×8)

    =0.07×1

    =0.07;

    24÷0.125

    =(24×8)÷(0.125×8)

    =192÷1

    =192;

    48×0.25=12×(4×0.25)

    =12×1

    =12;

    4÷0.25

    =(4×4)÷(0.25×4)

    =16÷1

    =16;

    6.42×99

    =6.42×(100-1)

    =6.42×100-6.42

    =642-6.42

    =635.58;

    18.65-3.7+1.35-16.3

    =18.65+1.35-(3.7+16.3)

    =20-20

    =0;

    (16.5×24+24×7.5)÷0.6

    =(16.5+7.5)×24÷0.6

    =24×24÷0.6

    =576÷0.6

    =960;

    10.5×60×5×8

    =(10.5×60)×(5×8)

    =630×40

    =25200;

    87.5×305-87.5-4×87.5

    =87.5×(305-1-4)

    =87.5×300

    =26250;

    93÷0.31÷3

    =93÷(0.31×3)

    =93÷0.93

    =100;

    15.8-4.72-6.28

    =15.8-(4.72+6.28)

    =15.8-11

    =4.8.