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\(a,5:5^2+2^3.3^2\)
\(=5^4+72\)
\(=697\)
\(b,8^3.25-8^3.23\)
\(=8^3.\left(25-23\right)\)
\(=8^3.2\)
\(=1024\)
\(c,80-\left(4.5^2-3^2.2^3\right)\)
\(=80-\left(100-72\right)\)
\(=80-28\)
\(=52\)
\(d,\left(12^4-6^4+2.3^4\right):3^4\)
\(=\left(20736-1296+162\right):3^4\)
\(=19602:3^4\)
\(=242\)
\(a,5:5^2+2^3.3^2\)
\(=5+72\)
\(=77\)
\(b,8^3.25-8^3.23\)
\(=8^3.\left(25-23\right)\)
\(=8^3.2\)
\(=1024\)
\(c,80-\left(4.5^2-3^2.2^3\right)\)
\(=80-\left(100-72\right)\)
\(=80-28\)
\(=52\)
\(d,\left(12^4-6^4+2.3^4\right):3^4\)
\(=\left(20736-1296+162\right):3^4\)
\(=19602:3^4\)
\(=242\)
x - 2.32 : 3 = 12
=> x - 18 : 3 = 12
=> x - 6 = 12
=> x = 6 + 12 = 18
a: \(A=25+125=150\)
b: \(B=16+64=80\)
c: \(C=32+9+1=33+9=42\)
d: \(D=1+8+27=35+1=36\)
g: \(K=11\cdot3^{29}-\dfrac{3^{30}}{4\cdot3^{28}}=11\cdot3^{29}-\dfrac{9}{4}\)
2.32.{22.15.7:6+[ 150-(68.2-23.5)]}
= 2.32.{22.15.7:6+[150-(136-8.5)]}
=2.32.{22.15.7:6+[150-(136-40)]}
=2.32.{22.15.7:6+[150-96]}
=2.32.{22.15.7:6+54}
=2.32.{4.15.7:6+54}
=2.32.{60.7:6+54}
=2.32.{420:6+54}
=2.32.{70+54}
=2.32.124
=2.9.124
=18.124
=2232
K mk na <3