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2024-05-17 20:41:40
\(\dfrac{3}{4}+\dfrac{1}{4}\div x=2\)
\(\dfrac{1}{4}\div x=\dfrac{8}{4}-\dfrac{3}{4}\)
\(\dfrac{1}{4}\div x=\dfrac{5}{4}\)
x=\(\dfrac{1}{4}\times\dfrac{4}{5}\)
x=\(\dfrac{1}{5}\)
nhớ tick cho mình nha
2024-05-17 20:37:53
8 bao 50 kg
và 2 bao 20 kg
2024-05-17 20:26:02
quan tài
2024-05-17 20:19:23
20000-1298=18702
2024-05-17 20:14:57
Lời giải:
Giả sử . Khi đó, gọi là ước nguyên tố lớn nhất của
Vì hoặc
Nếu . Kết hợp
. Mà nên vô lý
Tương tự nếu
Vậy điều giả sử là sai. Tức là
2024-05-17 20:10:35
Đáp án là A
nhớ tick cho mình nha
2024-05-17 20:09:06
có nha bạn
2024-05-17 18:58:20
8,75\(\times\)x+1,25\(\times\)x=20
x\(\times\)(8,75+1,25)=20
x\(\times\)10=20
x=2
2024-05-17 18:55:26
2024-05-17 18:53:46