2017年国际数学竞赛，以及我的这次印度行

newsman

YOU'LL NEED ADVANCED MATH IN LIFE is Lie
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Year after year, legions of kids -- many of whom aren't mathematically inclined -- are forced to suffer through the chores of algebra, geometry, and trigonometry with the presumption multiplying numbers against letters in parentheses is necessary to hack it in the adult world. In reality, fewer than one in four Americans regularly performs anything above basic math at work.

hz

老杨 发表于 2017-9-8 09:00
催更！

慢工出细活，由着他吧。