高中数学必修1课后习题答案（人教版）?

Answer 1

As a middle school student, we should get into the habit of thrift.Take some of the things around us: some students at school to buy some food eat leftovers are poured into the barrel, it is a do not cherish the food behavior, while no fell to the ground, but still a bit wasteful, knows he can't eat much, dot less food, so don't waste food, and save money, isn't it the best of both worlds?Thrift can tell a person's moral character, some classmate see other students every day dozen rice to eat, so came home to mom and dad for money in school dozen rice to eat. Actually his own supper to eat I feel good, you can save money, and can exercise yourself whether also can see that is a good student character. There is no ?

Answer 2

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