1
10x9-9x8+8x7-7x6+6x5-5x4+4x3-3x2+2x1奥数作业,请问大家怎么做,谢谢!
4个回答
相关问题
-
1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9
-
某同学做一道数学题,求代数式1+2x+3x^2+4x^3+5x^4+6x^5+7x^6+8x^7+9x^8+10x^9,
-
小明做一道数学题,"求代数式10x^9+9x^8+8x7+7x^6+6x^5+5x^4+4x^3+3x^2+2x^1+1
-
4x15/2= 12/5x8= 3/1x4/1= 9/8x10= 6x12/11= 9/2x5/3= 14/6x9/7=
-
1/1x2x3x4+1/2x3x4x5+1/3x4x5x6+1/4x5x6x7+1/5x6x7x8+1/6x7x8x9+
-
(1)5+2x=1 (2)8-x=3x+2 (3)10x-3=9 (4)6x-7=4x-5 (5)1/2x-6=3/4x
-
7x=2+3x 3.5x=28 5(x+8)-5=6(2x-7) 9(x-4)=7(4-x)
-
23、小明做一道数学题,“求代数式10x9+9x8+8x7+7x6+6x5+5x4+4x3+3x2+2x+1,当x=-1
-
小明做了一道数学题,“求代数式10x^9+9x^8+8x^7+7x^6+6x^5+5x^45+4x^3+3x^2+2x+
-
小明做一道数学题,“求代数式10x 9 +9x 8 +8x 7 +7x 6 +6x 5 +5x 4 +4x 3 +3x