有一个停车场原来的形状是梯形,为扩大停车面积,将它扩建为一个长方形的停车场(如图).扩建后面积增加了多少平方米?
解:(54﹣38)×32÷2
=16×32÷2
=256(平方米)
答:扩建后面积增加了256平方米
⑴The man is strong. ____
⑵Vegetables are good for you.____
⑶I like healthy food.____
⑷I always have breakfast.____
⑸I have breakfast at about 7:00 in the morning.____
A. B. C. D. E.
盐酸是实验室重要的化学试剂,请回答下列问题: