(1)-3/4×[-3的2次方×(-2/3)的2次方-2](2)-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方](3)3的2次方-(-6.5)×4/13+(-2)的4次方÷[(-2)的3次方+4](4)3的2004次方
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![(1)-3/4×[-3的2次方×(-2/3)的2次方-2](2)-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方](3)3的2次方-(-6.5)×4/13+(-2)的4次方÷[(-2)的3次方+4](4)3的2004次方](/uploads/image/z/9284522-50-2.jpg?t=%EF%BC%881%EF%BC%89-3%2F4%C3%97%5B-3%E7%9A%842%E6%AC%A1%E6%96%B9%C3%97%EF%BC%88-2%2F3%EF%BC%89%E7%9A%842%E6%AC%A1%E6%96%B9-2%5D%EF%BC%882%EF%BC%89-1.6%C3%B7%5B%28-2%2F3%29%E7%9A%842%E6%AC%A1%E6%96%B9%C3%97%28-3%29%E7%9A%843%E6%AC%A1%E6%96%B9-2%E7%9A%842%E6%AC%A1%E6%96%B9%5D%283%293%E7%9A%842%E6%AC%A1%E6%96%B9-%28-6.5%29%C3%974%2F13%2B%28-2%29%E7%9A%844%E6%AC%A1%E6%96%B9%C3%B7%5B%28-2%29%E7%9A%843%E6%AC%A1%E6%96%B9%2B4%5D%284%293%E7%9A%842004%E6%AC%A1%E6%96%B9)
(1)-3/4×[-3的2次方×(-2/3)的2次方-2](2)-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方](3)3的2次方-(-6.5)×4/13+(-2)的4次方÷[(-2)的3次方+4](4)3的2004次方
(1)-3/4×[-3的2次方×(-2/3)的2次方-2]
(2)-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方]
(3)3的2次方-(-6.5)×4/13+(-2)的4次方÷[(-2)的3次方+4]
(4)3的2004次方
(1)-3/4×[-3的2次方×(-2/3)的2次方-2](2)-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方](3)3的2次方-(-6.5)×4/13+(-2)的4次方÷[(-2)的3次方+4](4)3的2004次方
1.-3/4*[-9*(4/9)-2]
=-3/4*(-6)
=9/2
2.=-1.6/[(4/9)*(-27)-4]
=-1.6/(-12-4)
=-1.6/(-16)
=0.1
3.=9+6.5*(4/13)+16/(-8+4)
=9+2+16/(-4)
=9+2-4
=7
4.3^2004
不用处理.
1)-3/4×[-3的2次方×(-2/3)的2次方-2]
. -3/4x[-9x(4/9)-2]
=-3/4x(-6)
=9/2
(2)-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方]
=-1.6/[(4/9)x(-27)-4]
=-1.6/(-12-4)
=-1.6/(-16)
=0.1
(...
全部展开
1)-3/4×[-3的2次方×(-2/3)的2次方-2]
. -3/4x[-9x(4/9)-2]
=-3/4x(-6)
=9/2
(2)-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方]
=-1.6/[(4/9)x(-27)-4]
=-1.6/(-12-4)
=-1.6/(-16)
=0.1
(3)3的2次方-(-6.5)×4/13+(-2)的4次方÷[(-2)的3次方+4]
=9+6.5*(4/13)+16/(-8+4)
=9+2+16/(-4)
=9+2-4
=7
(4)3的2004次方
=3^2004
收起
(1)
-3/4×[-3的2次方×(-2/3)的2次方-2]
=-3/4×[-9×4/9-2]
=-3/4×[-4-2]
=-3/4×-6
=9/2
(2)
-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方]
=-1.6÷[4/9×-27-4]
...
全部展开
(1)
-3/4×[-3的2次方×(-2/3)的2次方-2]
=-3/4×[-9×4/9-2]
=-3/4×[-4-2]
=-3/4×-6
=9/2
(2)
-1.6÷[(-2/3)的2次方×(-3)的3次方-2的2次方]
=-1.6÷[4/9×-27-4]
=-1.6÷[-12-4]
=-1.6÷-16
=1/10
(3)
3的2次方-(-6.5)×4/13+(-2)的4次方÷[(-2)的3次方+4]
=9-(-2)+16÷[-8+4]
=11+16÷-4
=11-4
=7
(4)3的2004次方
3^2004
收起