You could write an equation for a process that you could actually solve.
你写出一个关于进程的方程式能求解。
Write an equation for the overall reaction and identify the source of each reactant.
写出一个总反应方程式并指出每种反应物的来源。
Write an equation for the overall reaction and identify the source of each reactant.
写出一个总反应方程式并指出每种反应物的来源。
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