直角三角形的三条边长为6厘米、8厘米、10厘米,它的面积是______.
6×8÷2,
=48÷2,
=24(平方厘米);
答:这个三角形的面积是24平方厘米.
故答案为:24平方厘米.
句型转换。(本题有5小题,每题1分,每空0.5分,共5分)
小题1: He has got some tomatoes.(改为否定句)
He got tomatoes
小题2:There are forty--four computers in the classroom. (对划线部分提问)
How computers there on the desk?
小题3:There is a lot of milk.(改为一般疑问句)
a lot of milk?
小题4: The library is in front of the offices. (改为同义句)
The offices the library.
小题5:Hamburgers aren’t good for you. (改为同义句)
Hamburgers for you.
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