user-avatar
hunterier12
2 năm trước
vẽ xoy bằng 120 độ trên tia ox lấy điểm a và trên tia oy lấy điểm b sao cho oa bằng ob .Nối a và b a] hãy đo các góc oab và oba và so sánh b]gọi i là trung điểm của đạn thẳng ab.Nối o và i .So sánh góc oia và oib
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

7. Fill in each gap with one word from the box. There are more words than you need to fill in all the gaps. iron blanket vacuum cleaner microwave oven water heater DVD player washing machine kitchen sink cupboard hairdryer Shower bathtub a) A ___________ is a device that uses an air pump to suck up dust and dirt, usually from tloors. You can use this device to clean the floor, and your camera too. b) Last week her ________________ was out of order and Quyen had to wash her family’s clothes with her hands. c) There are many considerations to choose a right _________________ for your bathroom decoration. The most important things to consider are the color, along with the shape and size. d) If you need a ___________________ , you should select one that will comfortably fill the space; you don’t want one that is too big or too small. Don’t íorget that you will have to open and close the drawers. Also think if you need a miưor or not. e) I can’t imagine not having a__________________ in my kitchen. You can cook any food in it. You can boil water, scramble eggs, cook pasta and even roast a chicken if it is a large one. f) Before you make your decision to buy a_________________ , consider your hot water needs. What capacity will you need? What’s the most efficient unit for you? How much will it cost to buy and operate? g) A good ________________ breaks down the water into much smaller droplets, which means that your hair is much easier and quicker to dry, and so less subject to heat damage.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team