蘇教版六年級下冊數(shù)學(xué)練習(xí)與測試答案:第118頁

字號:

3: A
    4: C
    三
    1: 24 10 0.5 2/3
     0.027 3又3/5 27/8 20
    2: 1050÷7-24x4 10.5-6.25-3.75+7.5
     =150-96 =(10.5+7.5)-(6.25+3.75)
     =54 =18-10
     =8
    3/8x30+2÷8/3 56x(1+4/7)÷8/11
    =3/8x30+2x3/8 =56×11/8x(1+4/7)
    =3/8x(30+2) =77x(1+4/7)
    =3/8×32 =77x1+77x4/7
    =12 =77+44
     =121
    5/8÷[13/12-(1/12+1/4)]
    =5/8÷[13/12-1/3]
    =5/8x4/3
    =5/6
    (1/8+1/4-1/6)x24
    =1/8x24+1/4x24-1/6x24
    =3+6-4
    =5
    3: 5/9:x=2/3:36   5x+12.9=37.9
    2/3x=20          ?。担剑玻?BR>    ?。剑常啊           。剑?