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Nguyễn Phương Linh
Giới thiệu về bản thân
♥️ mọi thứ đều bắt đầu từ con số 0. Nếu không cố gắng nỗ lực thì sẽ không thành công♥
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2025-02-10 20:31:54
F(1)=2 => a ⋅ 1 + b = 2 a⋅1+b=2 =>a+b=2 =>a=2-b F(-2)=-4 => a ⋅ ( − 2 ) + b = − 4 a⋅(−2)+b=−4 =>-2a+b=-4 =>2a-b=4 =>2(2-b)-b=4 =>4-2b-b=4 =>4-3b=4 =>3b=0 =>b=0 a = 2 − b = 2 − 0 = 2 a=2−b=2−0=2
2025-02-10 20:31:05
Diện tích hình thang là: 50 × 14 2 = 350 ( m 2 ) 50× 2 14 =350(m 2 )
2025-02-10 20:30:49
a = 2 2 ⋅ 5 ⋅ 11 ; b = 2 ⋅ 3 ⋅ 5 2 a=2 2 ⋅5⋅11;b=2⋅3⋅5 2 => Ư C L N ( a ; b ) = 2 ⋅ 5 = 10 ƯCLN(a;b)=2⋅5=10
2025-01-05 20:35:46
D.
2025-01-05 20:35:12
Đổi 5 d m = 80 c m 5dm=80cm Chu vi miếng bìa là: ( 80 + 57 ) x x 2 = 274 ( c m ) (80+57)xx2=274(cm)
2025-01-05 20:34:04
Tỉ số % của 50 và 160 là: `50 : 160 xx 100 = 32,25%`
2024-08-20 20:59:32
có cái nịt :)
2023-04-24 20:01:17
2023-04-24 20:01:17
2023-04-24 20:01:17