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1.下面这些等式,当然不能成立,但是只要在每一个数的后面添上一个恰当的计量单位,等式就成立了.例如400克+600克=1千克.请你在下面等式每个数后面添上计量单位,使等式
1. The following equations cannot of course be established, but as long as an appropriate unit of measure is added after each number, the equation is established. For example 400 g + 600 g = 1 kg. Please follow the equation below Add a unit of measure after the number to make the equation