8-4.68/4.5X(0.25+0.5)简便算法
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8-4.68/4.5X(0.25+0.5)简便算法8-4.68/4.5X(0.25+0.5)简便算法8-4.68/4.5X(0.25+0.5)简便算法8-4.68/4.5X(0.25+0.5)=8-4
8-4.68/4.5X(0.25+0.5)简便算法
8-4.68/4.5X(0.25+0.5)简便算法
8-4.68/4.5X(0.25+0.5)简便算法
8-4.68/4.5X(0.25+0.5)
=8-468/450*(25+50)/100
=8-468/(75*6)*75/100
=8-468/6/100
=8-6*78/6/100
=8-78/100
=(800-78)/100
=722/100
=7.22
8-4.68/4.5X(0.25+0.5)简便算法
8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2
x/0.5+(60-x)/8
X+0.5X=3 X-0.8X=8
4(x-3)=2x 8x+0.5=4x+4.5 4x+20=6x-10 解方程
x=1+0.5x+0.25x+0.125x+0.0625x求x的值
x+y/0.75 +x/0.5=8 2x/0.25+1-2y/0.125=8
如果5X+8等于12,那么6.8-0.5X等于几?0.85X+0.25X等于几?
(x+16)*2.1=42 x-0.6x=4.888 16*5-5x=26.5 98.6-0.25x=46.3 x-2.8+2.2=5 4.5-1.5x=1.5 8*(2x-5)=28
8x—3=0.5x+4.5的解是x=多少
解方程 0.5x+6=18 3/4x-1/3x=2 8-4.5x=7/2 (x-7)/3=8
解方程:(1)3x-8x=七分之5 (2)-4x-3x+4.5x=0.5
9x=13.5和8x+2.6=22.6和3.6x-3×4.5=31.5和0.7x-0.5=8.6和(x+3)×2=8和2.5x+1.5x=3×1.6解方程
直接写出X的值8x+4=32 (x+3)除以6=9 80-0.5x=25 38+2x=60 2.5x-2.5=7.5 2(1.2+x)=3.4 40x-0.9=3.1 9x-36=117 4.5x-x=3.5 0.5x+1.05=2x除以19+15=45 x除以94-45=55 12x+24x=12.6 3(x-30)=180 8x+25=1254.6x=9.2 5x-4.2=5.8一楼的 你的答案是很好
13x-(4.5x+2.9)=0.5x+3.8×0.5
函数值域 单调区间1.y=(0.25)^x-(0.5)^x+12.y=log2(-x^2+4x+5)3.y=[log0.5(x)]^2-[4log0.5(x)]-5 (0.125≤x≤8)4.y=3^(x^2-2x+3)5.y=(0.5)^[x/(x+2)]
6x+15=87 8X-0.5x=15 x+0.6x=11.2
X+0.5X+0.25X=105怎么解?急