當我點擊圖片查看答案時，一切都很模糊，我什麼也看不到。拍個更清晰的圖讓我回答一下！！
Answer:
It is not well defined.
Step-by-step explanation:
Because set is a collection of well defined objet. And matter contains of solid, liquid and gas
Answer:
Yes
Step-by-step explanation:
Yes they are because if you divide 18 by 3 you get six and if you divide 15 by 3 you get 5, so it simplifies to 6:3 which is the same as the ratio for rings
Answer:
Simple answer: 880,302
Step-by-step explanation:
Rule is if the number before the number your rounding is above 4 then it should round up
if its lower than 4 the number your rounding stays as is and the number before it goes down to 0
