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a) \(\frac{2^3.3^4}{2^2.3^2.5}=\frac{2.3^2}{5}\)
b) \(\frac{2^4.5^2.11^2.7}{2^3.5^3.7^2.11}=\frac{2.11}{5.7}\)
c) \(\frac{121.75.130.69}{39.60.11.198}=\frac{11^2.3.5^2.2.5.13.23.3}{13.3.2^3.3.5.11.11.3^2.2}\)
\(=\frac{11^2.3^2.5^3.2.13.23}{13.3^4.2^4.5.11^2}=\frac{5^2.23}{3^2.2^3}\)
a,\(\frac{2^3.3^4}{2^2.3^2.5}=\frac{2^2.2.3^2.3^2}{2^2.3^2.5}\)\(=\frac{2.3^2}{5}\)
b,\(\frac{2^4.5^2.11^2.7}{2^3.5^3.7^2.11}=\frac{2^3.2.5^2.11.11.7}{2^3.5^2.5.7.7.11}=\frac{2.11}{5.7}\)
a) \(\frac{2^3.3^4}{2^2.3^2.5}=\frac{2.3^2}{1.1.5}=\frac{18}{5}\)
b) \(\frac{2^4.5^2.11^2.7}{2^3.5^3.7^2.11}=\frac{2.1.11.1}{1.5.7.1}=\frac{22}{35}\)
a) 23 = 8, 24 = 16, 25 = 32, 26 = 64, 27= 128,28 = 256, 29 = 512, 210 = 1024.
b) 32 = 9, 33 = 27, 34 = 81, 35 = 243.
c) 42 = 16, 43 = 64, 44 = 256.
d) 52 = 25, 53 = 125, 54 = 625.
e) 62 = 36, 63 = 216, 64 = 1296.
1) 56 63 . 3 . 2
23 . 32. 100.103
2) lay may tinh bam nha ban.
:-) k nha
1)
a) 5 . 5 . 5 . 5 . 5 . 5 = 56
b) 6 . 6 . 6 . 3 . 2 = 6 . 6 . 6 . 6 = 64
c) 2 . 2 . 2 . 3 . 3 = 23 . 32
d) 100 . 10 . 10 . 10 = 10 . 10 . 10 . 10 . 10 = 105
2)
a) 23 = 2 . 2 . 2 = 8
24 = 2 . 2 . 2 . 2 = 16
25 = 2 . 2 . 2 . 2 . 2 = 32
26 = 2 . 2 . 2 . 2 . 2 . 2 = 64
27 = 2 . 2 . 2 . 2 . 2 . 2 . 2 = 128
28 = 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 = 256
29 = 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 . 2 = 512
210 = 2 . 2 . 2 . 2 . 2. . 2 . 2 . 2 . 2 . 2 = 1024
b) 32 = 3 . 3 = 9
33 = 3 . 3 . 3. = 27
34 = 3 . 3 . 3 . 3 = 81
35 = 3 . 3 . 3 . 3 . 3 = 243
c) 42 = 4 . 4 = 16
43 = 4 . 4 . 4 = 64
44 = 4 . 4 . 4 . 4 = 256
d) 52 = 5 . 5 = 25
53 = 5 . 5 . 5 = 125
54 = 5 . 5 . 5 . 5 = 625
e) 62 = 6 . 6 = 36
63 = 6 . 6 . 6 = 216
64 = 6 . 6 . 6 . 6 = 1296
a) có đáp án lần lượt là: 2;4;8;16;32;64;128;256;512;1024
b) 9;27;81;243;729;2187
c) 16;64;256,1024;16384
d) 25;125;625;3125
e) 36;216;1296
a) \(\frac{2^3}{2^4}=\frac{2^3}{2^3.2}=\frac{1}{2}\)
b) \(\frac{3^5}{3^4}=\frac{3^4.3}{3^4}=3\)
c) \(\frac{4^7}{4^{10}}=\frac{4^7}{4^7.4^3}=\frac{1}{4^3}=\frac{1}{64}\)
d) \(\frac{5^{11}}{5^8}=\frac{5^8.5^3}{5^8}=5^3=125\)
e) \(\frac{6^2}{4^2}=\frac{2^2.3^2}{\left(2^2\right)^2}=\frac{3^2}{2^2}=\frac{9}{4}\)
a) \(\frac{2^3}{2^4}\)= \(\frac{8}{16}\)= \(\frac{1}{2}\)
b) \(\frac{3^5}{3^4}\)= \(\frac{243}{81}\)= \(\frac{3}{1}\)= 3