问题
填空题
已知A、B两地相距150千米,甲乙两人都要从A地前往B地.甲所用的时间比乙少1小时,且甲的速度是乙的1.5倍.求甲、乙各自的速度?设乙的速度为x千米/时,则所列方程为______.
答案
设乙的速度为x千米/时,则甲的速度为1.5x千米/时,由题意得:
-150 x
=1.150 1.5x
故答案为:
-150 x
=1.150 1.5x
已知A、B两地相距150千米,甲乙两人都要从A地前往B地.甲所用的时间比乙少1小时,且甲的速度是乙的1.5倍.求甲、乙各自的速度?设乙的速度为x千米/时,则所列方程为______.
设乙的速度为x千米/时,则甲的速度为1.5x千米/时,由题意得:
-150 x
=1.150 1.5x
故答案为:
-150 x
=1.150 1.5x
选择正确单词完成下列短文。 |
I 1 writing a letter 2 my cousin. I write with a pen. I write 3 a piece of paper. 4 the top of the letter, I write the day. What day is it? It's Thursday, March 12th. I write my name at the bottom of 5 letter. I put my letter in an envelope. Now, I write the address on the envelope. |
( ) 1. A. is ( ) 2. A. on ( ) 3. A. on ( ) 4. A. Are ( ) 5. A. the | B. are B. to B. with B. On B. on | C. am C. in C. at C. Up C. many |
根据上面的短文回答问题。 1. What are you doing? 2. What day is it? 3. Where do you write your name? 4. Do you put your letter in an envelope? 5. Where do you write the address? |