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a/ 53 - 52 + 32 = 14
b/ 24 + 42 - 25 = 0
c/ 102 - 72 + 102 = 151
d/ 82 + 62 - 102 = 0
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\(=\frac{7.6^{11}.2^{19}.3^5-2^{19}.6^{15}}{3^{21}.2^{28}-3^{17}.2^{28}}=\frac{2^{19}.6^{11}.\left(7.3^5-6^4\right)}{3^{17}.2^{28}.\left(3^4-1\right)}=\frac{2^{30}.3^{11}.3^4.\left(7.3-2^4\right)}{3^{17}.2^{28}.\left(3^4-1\right)}=\frac{2^2.13}{3^2.80}=\frac{13}{9.20}=\frac{13}{180}\)
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23=8
24=16
25=32
26=64
27=128
28=256
29=512
210=1024
ủng hộ mk nha
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Ta có : \(A=11.3^{22}.3^7-9^{15}\)
\(=11.3^{29}-\left(3^2\right)^{15}\)
\(=11.3^{29}-3^{30}\)
\(=3^{29}\left(11-3\right)\)
\(=3^{29}.8\)
Ta có : \(B=\left(2.3^{14}\right)^2=2^2.3^{28}\)
câu a và b là 1 mà
cách làm đúng nhưng ko phải tách ra đâu nha