(100+0.123+0.245+8.9)x(0.123+0.245+8.9+12.71)-(100+0.123+0.2

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/04/26 09:12:28

(100+0.123+0.245+8.9)x(0.123+0.245+8.9+12.71)-(100+0.123+0.245+8.9+12.71)x(0.123+0.245+8.9)等于多少

(100+0.123+0.245+8.9)x(0.123+0.245+8.9+12.71)-(100+0.123+0.245+8.9+12.71)x(0.123+0.245+8.9)
=(100+0.123+0.245+8.9)x(0.123+0.245+8.9）+(100+0.123+0.245+8.9)x12.71-(100+0.123+0.245+8.9)x(0.123+0.245+8.9)-12.71x(0.123+0.245+8.9)
=(100+0.123+0.245+8.9)x12.71-12.71x(0.123+0.245+8.9)
=【(100+0.123+0.245+8.9)-（0.123+0.245+8.9)】x12.71
=【100+0.123+0.245+8.9-0.123-0.245-8.9】x12.71
=100x12.71
=1271

(100+0.123+0.245+8.9)x(0.123+0.245+8.9+12.71)-(100+0.123+0.2 （X+X)+(X-X)+(X*X)+(X/X)=100 X+X+X+X+X+X+100X=1690 问：X等于多少 1+x+x^2+x^3+.+x^99+x^100 5x+3=x-4,4y+11=22,11x+68-2x=100-9x,0.1x/0.2-（0.27x+0.18）/0.0 2x+3x+4x+5x+x+6x+7x=100 (x+x)+(x-x)+(xx)+(x/x)=100 求x的值?用方程解 X>7,x=100 x 3x=x+100 x=? (x+2x+3x+.100x )化简 3x=100+x 1X+2X+3X…+98X+99X+100X=50500X X等于多少?