It appears the Chinese are a bit better at adding up than we are over here. Here are a couple of sample tests. I could answer the first one with a pencil, some paper, and a hour or so. I answered the second one in my head in a matter of seconds, whilst decrying how dumb some of our university students must be. Fer Son-of-the-Deity-of-Your-Choice's sake, that second question is pre-GCSE, let alone what a first-year undergrad in any subject ought to understand. And yet they deny that examination standards are slipping.
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2)b) Area of a triangle. Year 9.
2)c) S=O/H; C=A/H; T=O/A. Year 9.
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