1/2比1/3=1/4比x,5/12=2.5/x,9比2.5=3.6比x,24/x=1.8/2.4,x比2/3=1/8比1/9,解比例,
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![1/2比1/3=1/4比x,5/12=2.5/x,9比2.5=3.6比x,24/x=1.8/2.4,x比2/3=1/8比1/9,解比例,](/uploads/image/z/211578-42-8.jpg?t=1%2F2%E6%AF%941%2F3%3D1%2F4%E6%AF%94x%2C5%2F12%3D2.5%2Fx%2C9%E6%AF%942.5%3D3.6%E6%AF%94x%2C24%2Fx%3D1.8%2F2.4%2Cx%E6%AF%942%2F3%3D1%2F8%E6%AF%941%2F9%2C%E8%A7%A3%E6%AF%94%E4%BE%8B%2C)
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1/2比1/3=1/4比x,5/12=2.5/x,9比2.5=3.6比x,24/x=1.8/2.4,x比2/3=1/8比1/9,解比例,
1/2比1/3=1/4比x,5/12=2.5/x,9比2.5=3.6比x,24/x=1.8/2.4,x比2/3=1/8比1/9,解比例,
1/2比1/3=1/4比x,5/12=2.5/x,9比2.5=3.6比x,24/x=1.8/2.4,x比2/3=1/8比1/9,解比例,
很简单只要把等号左边分子与等号右边分母相互相乘,就能解得x
例 (1/2)x=(1/3)*1/4=1/12,x=1/6
5x=2.5*12=30,x=6
9x=3.6*2.5=9,x=1依次类推
下面的建议你自己算,多算算能熟练
1/2比1/3=1/4比x,
x=1/3*1/4*2
x=1/6
5/12=2.5/x,
x=12*2.5/5
x=6
9比2.5=3.6比x,
x=2.5*3.6/9
x=1
24/x=1.8/2.4,
x=24*2.4/1.8
x=32
x比2/3=1/8比1/9,
x=2/3*1/8*9
x=3/4