10 divided by 0.4 is how many kilograms of seawater are needed per kilogram of salt.
Divide 8 kilograms of seawater by this quotient, that is, how many kilograms of salt can be produced according to how many such figures there are in 8 thousand Kerry.
Understanding of standardized application.
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I'll tell you another trick: when you encounter this kind of multiple-choice question in the future, count the answers of other options. If the answer is the same as A's, then you can understand it by scrutinizing its quantitative relationship.
When filling in the college entrance examination, what is the major of intelligent contro
What documents do I need to enroll in primary school?
First, there are no special restrictions on the documents required to a