x/5=4/6
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Sửa đề: 3^5+3^5+3^5; 2^x
=>\(2^x=\dfrac{4^5\cdot4}{3^5\cdot3}\cdot\dfrac{6^5\cdot6}{2^5\cdot2}\)
=>\(2^x=\left(\dfrac{4}{3}\right)^6\cdot\left(\dfrac{6}{2}\right)^6=4^6=2^{12}\)
=>x=12
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5 x 6 = 30 2 x 6 = 12 3 x 6 = 18 4 x 6 = 24
6 x 5 = 30 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24
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a) 3 x 5 < 3 x 6
3 x 5 > 3x 4
b) 3 x 5 = 5 x 3
4 x 6 = 6 x 4
c) 20 : 4 > 20 : 5
20 : 4 < 20 : 2
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a: =>x=3/7+3/5=15/35+21/35=36/35
b: =>x/35=4/5-5/7=28/35-25/35=3/35
=>x=3
c: =>x<3/4+8/4=11/4
=>\(x\in\left\{0;1;2;3\right\}\)
d: =>5/3<x<5/6+24/6=29/6
=>\(x\in\left\{2;3;4\right\}\)
e: =>x<10/12-9/12=1/12
=>x=0
f: =>2/3<x<12/6-5/6=7/6
=>x=1
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Bạn cần viết đề bài bằng công thức toán để được hỗ trợ tốt hơn.
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a) 6 x 2 = 12 6 x 3 = 18 6 x 8 = 48 6 x 1 = 6
6 x 4 = 24 6 x 5 = 30 6 x 9 = 54 1 x 6 = 6
6 x 6 = 36 6 x 7 = 42 6 x 10 = 60 0 x 6 = 0
b) 6 x 5 = 30 6 x 4 = 24 3 x 6 = 18 2 x 6 = 12
5 x 6 =30 4 x 6 = 24 6 x 3 = 18 6 x 2 =12
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1.
\(8\times8=64\)
\(6\times4=24\)
\(4\times4=16\)
2.
Ta có:
\(4\times6=24\) \(7\times5=35\)
Vì \(24< 35\) nên \(4\times6< 7\times5\)
Vậy...
_____
Ta có:
\(5\times7=35\) \(8\times9=72\)
Vì \(35< 72\) nên \(5\times7< 8\times9\)
Vậy....
_____
Ta có:
\(3\times5=15\) \(6\times9=54\)
Vì \(15< 54\) nên \(3\times5< 6\times9\)
Vậy...
\(#Wendy.Dang\)
8 x 8 =64
6 x 4 =24
4 x 4=16
Bài 2 : < , > , =
4 x 6 < 7 x 5
5 x 7 < 8 x 9
3 x 5 < 6 x 9
x/5=4/6
x*6=4*5
x*6=20
x =20:6
x =3.3333
nha kick đi nha!!!
x: 5 = 4 : 6
x : 5 = 0,6666
x = 0,6666 x 5
x = 3,333 nhé bạn