求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2

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求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2

求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2
求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2
求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2

求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2求未知数X 4x-1.6x=24 5x÷20=60 (x-0.4):8=3:2