越多越好.难点好

4个回答

  • x的2次方*y的2n次方+z的n次方*x的n次方*y的2n次方

    2.x的2n次方*x的mn*x的3m次方*x的3mn次方

    3.(36/17)的2003次方*(7/36)的2004次方

    4.已知a的2次方+ab=4 ab+b的2次方=-1,那么a的2次方-b的2次方= a的2次方+3ab+2b的2次方=

    5.(4/10*1/4)*x的5次方*y的3次方+8x的4次方*y的3次方

    6.(x的2次方*y的3次方)的4次方+(-x)的8次方-(y的6次方)的2次方-(x的4次方*y的4次方)的2次方*y的4次方

    7.(-4)(+6)(-7) (2)(-27)(-25)(-3)(-4)

    8.(+1.3)-(+17/7) (2)(-2)-(+2/3)

    9.23+(-73)

    10.(-84)+(-49)

    11.7+(-2.04)

    12.4.23+(-7.57)

    13.(-7/3)+(-7/6)

    14.9/4+(-3/2)

    15.3.75+(2.25)+5/4

    16.-3.75+(+5/4)+(-1.5)

    17.23+(-73) (2)(-84)+(-49) (3)7+(-2.04) (4)4.23+(-7.57) (5)(-7/3)+(-7/6) (6)9/4+(-3/2) (7)3.75+(2.25)+5/4 (8)-3.75+(+5/4)+(-1.5)

    18.(+1.3)-(+17/7)

    19.(-2)-(+2/3)

    20.|(-7.2)-(-6.3)+(1.1)|

    21.|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)

    22.(— )÷(—16)÷(—2)

    23.–4 + 2 ×(¬-3) –6÷0.25

    24.(—5)÷〔1.85—(2— )×7〕

    25.18÷{1-[0.4+ (1-0.4)]×0.4

    26.3-[4-(4-3.5× )]×[-2+(-3) ]

    27.8+(- )- 5- (- 0.25)

    28.99 × 26

    29.(3.5-7.75-4.25)÷1.1

    30.(-3 )÷(4 -12 )÷(- )×(-1 )

    31(-2)14×(-3)15×(- )14

    32.-42+5×(-4)2-(-1)51×(- )+(-2 )÷(-2 )

    33.-1 ×3 -1 ×4 -3×(-1 )

    34.(-102)+132

    35.(-32)+(-11)