(x-160)*67%/8400=(x-320)*67%/8000 如何计算麻烦请写过[ 程如何做的!
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![(x-160)*67%/8400=(x-320)*67%/8000 如何计算麻烦请写过[ 程如何做的!](/uploads/image/z/580636-28-6.jpg?t=%28x-160%29%2A67%25%2F8400%3D%28x-320%29%2A67%25%2F8000+%E5%A6%82%E4%BD%95%E8%AE%A1%E7%AE%97%E9%BA%BB%E7%83%A6%E8%AF%B7%E5%86%99%E8%BF%87%5B+%E7%A8%8B%E5%A6%82%E4%BD%95%E5%81%9A%E7%9A%84%21)
(x-160)*67%/8400=(x-320)*67%/8000 如何计算麻烦请写过[ 程如何做的!
(x-160)*67%/8400=(x-320)*67%/8000 如何计算麻烦请写过[ 程如何做的!
(x-160)*67%/8400=(x-320)*67%/8000 如何计算麻烦请写过[ 程如何做的!
(x-160)*67%/8400=(x-320)*67%/8000
两边同时除于67%
(x-160)/8400=(x-320)/8000
两边再同时乘400
对角相乘得
20(x-160)=21(x-320)
20x-21x=20*160-21*320
x=6720-3200
x=3520
(x-160)*67%/8400=(x-320)*67%/8000
(x-160)/8400=(x-320)/8000
(x-160)/84=(x-320)/80
20(x-160)=21(x-320)
20x-21x=20*160-21*320
x=3520
(x-160)*67%/8400=(x-320)*67%/8000
两边同时除于67%
(x-160)/8400=(x-320)/8000
两边再同时乘于100
(x-160)/84=(x-320)/80
再乘于1680
20(x-160)=21(x-320)
20x-21x=20*160-21*320
x=6720-3200
x=3520
(X+X)+(X-X)+(X*X)+(X/X)=100
X-35%X=7.8 X+160%X=39
(x+4)*(x+4)=x*x+160
X+160%X=39
x*x*x*x*x=80000?
x2+x=5x+6x²+x=5x+67x²-5=x+8
x*x*x=504 x*x*x=504
(x+x)+(x-x)+(x/x)=11.2
f(x)=x,x
x+x=x+15
X(X-1)=X
180=( )x( )x( )x( ) ×( )
(x+30)*(x-18)=x*x
x+ x+(x*50%)=1.5X?
f(x)=x^2+x (x
用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+.
(X+5)+(X-2)=67 求X
X平方+28X-160=32 X=?