1.We have a football match in the play grownd.(用时间状语tomorrow改写)2.It is time to go to school.(同义句)3.学校买4张办公桌和九把椅子.一共用去20元.已知椅子的价钱正好是一张办公桌的三分之一.你能
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1.We have a football match in the play grownd.(用时间状语tomorrow改写)2.It is time to go to school.(同义句)3.学校买4张办公桌和九把椅子.一共用去20元.已知椅子的价钱正好是一张办公桌的三分之一.你能
1.We have a football match in the play grownd.(用时间状语tomorrow改写)
2.It is time to go to school.(同义句)
3.学校买4张办公桌和九把椅子.一共用去20元.已知椅子的价钱正好是一张办公桌的三分之一.你能用替换的策略求出一把椅子和一张办公桌分别是多少元吗?
4.王老师买钢笔和圆珠笔各x枝.圆珠笔每只1.5元.钢笔每支5.6元 老师一共用了( )元.买钢笔的钱数比钢笔的钱多( )元 急~
The girl (in the red coat is) is Li Ping 对括号中提问
1.We have a football match in the play grownd.(用时间状语tomorrow改写)2.It is time to go to school.(同义句)3.学校买4张办公桌和九把椅子.一共用去20元.已知椅子的价钱正好是一张办公桌的三分之一.你能
1. We will have a football match in the play ground tomorrow.
2. It is time for school.
3. 椅子的价钱正好是一张办公桌的三分之一,也就是说买一张办公桌等于买三把椅子;学校买4张办公桌和九把椅子,也就等于买了4X3+9=21把椅子,一共用去20元,所以一把椅子是20/21(元),而一张办公桌是20/21 X 3 = 20/7(元).
4. (7.1x)元,(4.1x)元
补充:Which girl is Li Ping?