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làm ơn giúp mình ,bạn nào làm nhanh đúng mình chọn cho nhanh nha mọi người
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\(=\frac{\left(2^2\right)^5.2.5.5^6+2^8.\left(5^2\right)^5}{2^8.5^4+2^5.5^7}=\frac{2^{10}.2.5^7+2^8.5^{10}}{2^5.5^4\left(2^3+5^3\right)}=\frac{2^{11}.5^7+2^8.5^{10}}{2^5.5^4.\left(2^3+5^3\right)}=\frac{2^8.5^7\left(2^3+5^3\right)}{2^5.5^4\left(2^3+5^3\right)}=\frac{2^3.5^3.1}{1.1.1}=1000\)
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a) \(5^5\)
b) \(5^7\)
c) \(5^{19}\)
d) \(10^3\)
e) \(10.10^2.10^4.10^4=10^{11}\)
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b) Ta có: \(B=\dfrac{7}{8}\cdot\dfrac{4}{9}+\dfrac{7}{8}\cdot\dfrac{5}{9}\)
\(=\dfrac{7}{8}\left(\dfrac{4}{9}+\dfrac{5}{9}\right)\)
\(=\dfrac{7}{8}\cdot1=\dfrac{7}{8}\)
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ban nao co chuyen shin ko cho minh muon minh giai cho 10 bai nhu the i love pac pac
\(A=\frac{2^{12}.3^4-4^5.9^2}{\left(2^2.3\right)^6+8^4.3^5}\)
\(A=\frac{2^{12}.3^4-2^{10}.3^4}{2^{12}.3^6+2^{12}.3^5}\)
\(A=\frac{2^{10}.3^4\left(2^2-1\right)}{2^{10}.3^4\left(2^2.3^2+2^2.3\right)}\)
\(A=\frac{2^2-1}{2^2.3^2+2^2.3}\)
\(A=\frac{4-1}{36+12}\)
\(A=\frac{3}{48}=\frac{1}{16}\)
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A)(-4)*5+15 H)(-4)*4+5*(-10) O) (-5) * (-3) +(-4)^2
= (-20)+15 = -16 + (-15) = 15 + 16
= -5 = -31 = 31
B)(-32)+(-5) * 7 i)99 * (-5)-11*(-7) F) (-1)^3 +(-2) *(-3)
= (-32) + (-35) =-495 - (-77) = -1 + 6
= -67 = -572 = 5
C)(-5) * 2 + (-6) *4 k) (-4)*2+(-2)+12 Q) (-11) * (-4) - (-8 * 5)
= (-10) + (-24) =4 * (-2) + (-2) +12 = 44 + 40
= -34 = (-2) *(4 +12) = 84
D)119-(-14) *10 = (-2) * 16 S) 100 - (-15) * 2
= 119 + 140 = -72 = 100 + 30
=259 L) (-32) +(-15) * (-3) = 130
E)112+(-11)*4 = (-32)+ 45
=112 + (-40) = 13
=72 M) (-12) *3 + (-6) * 5
G)(-22)+ (-2) *6 = -36 + (-30)
= (-22) + (-12) =-66
= -34 N) 100- (-14) * (-3)
=100 + (-42)
= 58