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Thulinhhien
2 năm trước

Công thức tính hiệu xuất vật lý 9 là j mn

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Nguyễn Huỳnh Ngọc Giao
2 năm trước

Đáp án:

H=Ai/Atp.100

Giải thích các bước giải: Ai là điện Năng hay công có ích

Atp là điện năng hay công toàn phần

Ngọc Ánh
2 năm trước

Đáp án:

Giải thích các bước giải: H=(Qi/Qtp)x100%

H:hiệu suất

Qi: Q có ích

Qtp:Q toàn phần

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Viết một đoạn văn hoàn chỉnh về lý do học tiếng Anh bằng cách đưa ra các manh mối ( ko chép mạng nhá)

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việt nam dành độc lập vào năm nào

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