.............,she continued to carry out her duties A. Despite her good health B. No matter how poor her health C. Although she is in good health D. Although in poor health

bài 186 thôi nhé .......................

Cho HPT: (m-1)x+y=3m-4 x+(m-1)y=m a. Giải HPT với m=-1 b. Tìm m để hệ có nghiệm duy nhất (x;y) thoả mãn x+y=3

Rút gọn biểu thức Giúp mình vs ạ

mk giải 1 bài như sau các bn xem có đúng k giúp mk vs nhé: B=3^10.11+3^10.5/3^9.2^4 =3^10.(11+5/3^9)/3^9.2^4 =3^10.16/3^9.2^4 =3^10.2^4/3^9.2^4 =3^1=3

chứng minh B= x+1 ...............

tại đời hậu lê đại việt trở thành quốc gia giàu mạnh nhất đông nam á

There is plenty that you ...... do to help the process of energy conservation . You can save energy ....... doing things like making sure that the kettle doesn't contain more water .... that you need , always washing a full load in the washing ..... rather than a half load , or turning up your air - conditioner by 2oC - this could cut your electricity bill by 10% . Make ...... that hot water taps are not left running and replace washers if your taps drip . ........... work , you can turn off any light and your computer if you are not ........ them . Change to energy - saving light bulds - these use much less electricity , and often laswt eight times ..... than an ordinary buld . Draw back your curtains and ...... off the light during the day . Switching off electrical app;iances ....... they are not in use makes a big contribution to enery-saving , too.

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