某果园的桃树和梨树一共有360棵,其中梨树的棵数比桃树多25%。这个果园的桃树有多少棵?
解:设这个果园的桃树有x棵。
x+(1+25%)x=360
x=160
Do you know when the Great Wall _______?[ ]
A. was come into being
B. came into being
C. had come into being
D. had been come into being
排钠贮钾利尿剂是()
A.氢氯噻嗪
B.螺内酯
C.呋噻米
D.氨苯蝶啶
E.以上都是