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1.我们可以把浸人水中的木块换成等体积的水,看看水会上升多少厘米.1/2×2×2×2/6×6=1/9(cm)2,设每个酒瓶装xL,可得8x=(1-5/7)(7x+210).
1. We can change the water immersed in water into an equal volume of water to see how many centimeters the water will rise in. 1/2 × 2 × 2 × 2/6 × 6 = 1/9 (cm) A bottle of wine xL, available 8x = (1-5 / 7) (7x +210).