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5.5.3.15.25.9 = 5.5.3.3.5.5.5.3.3 = 55.34
9.21.7.9.49 = 3.3.3.7.7.3.3.7.7 = 35.74
10.2.5.4.25.10 = 2.5.2.5.2.2.5.5.2.5 = 25.55
8.4.10.25 = 2.2.2.2.2.2.5.5.5 = 26.53
515:53 = 515-3 = 512
15.5.9.15.625.81
= 3.5.5.3.3.3.5.5.5.5.5.3.3.3.3 = 38.56
18.42.7.9.49 = 2.3.3.2.3.7.7.3.3.7.7 =22.35.74
121.2.125.4.25.11
= 11.11.2.5.5.5.2.2.5.5.11 = 113.23.55
36.4.15.75 = 2.3.2.3.2.2.3.5.5.5.3
= 24.34.53
37.518.156 = 37.518. 36.56 = 313.524
5 . 5 . 3 . 15 . 25 . 9 = 52 . 3 . 3 . 5 . 52 . 32
= 52 . 53. 34
= 55 . 34
9 . 21 . 7 . 9 . 49 = 3 . 3 . 7 . 3 . 7 . 3 . 3 . 7 . 7
= 35 . 74
10 . 2 .5 . 4 . 25 .10 = 10 . 10 . 100 . 10
= 10 . 10 . 102 . 10
= 105
8 . 4 . 10 . 25 = 23 . 22 . 10 . 25
= 25 . 10 . 52
515 : 53 = 512
18 . 42 . 7 . 9 . 49 = 2 . 9 . 7 . 6 . 7 . 9 . 7 . 7
= 2 . 92 . 74 . 6
36 . 4 . 15 . 75 = 4 . 3 . 3 . 4 . 5 . 3 . 5 . 5 . 3
= 42 . 34 . 53
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) 53.252:54
= 53.(52)2:54
= 53.54:54
= 53+4-4
= 53
b) 42.(23)2:128
= (22)2.26:27
= 24.26:27
= 24+6-7
= 23
c) 35.243:(32)3
= 35.35:36
= 35+5-6
= 34
d) 205:55
= (20:5)5
= 45
e) 410:810 (Có chắc không vậy ? Hay là 810:410 ?)
g) 415.530
= 415.(52)15
= 415.2515
= (4.25)15
= 10015
h) 2716.910
= (33)16.(32)10
= 348.320
= 348+20
= 368
a) 24 . 23 = 27 = 128
b) 33 . 3 . 32 = 36 = 729
c) 100.104 = 100 . 10000 = 1000000
d)514 : 512 = 52 = 25
e) 718 : 716 = 72 = 49
f) 39 : 35 = 34 = 81
a) \(2^4.2^3=2^7=128\)
b) \(3^3.3.3^2=3^6=729\)
c) \(100.10^4=10^2.10^4=10^6=1000000\)
d) \(5^{14}:5^{12}=5^2=25\)
e) \(7^{18}:7^{16}=7^2=49\)
f) \(3^9:3^5=3^4=81\)
\(3\cdot3\cdot3\cdot5\cdot5\cdot5=3^3\cdot5^3\)
a) \(3^5\cdot3^4=3^{5+4}=3^9\)
b) \(5^3\cdot5^5=5^{3+5}=5^8\)
c) \(2^5\cdot2=2^{5+1}=2^6\)
B1:
3.3.3.5.5.5
= 33.53
B2:
a) 35.34 = 35+4=39
b) 53.55 = 53+5 =58
c) 25.2 = 32 . 2 = 64
a)5.5.3.15.25.9=55.34
b)15.5.9.15.625.81=57.38
c) 121.2.125.4.25.11=113.23.55=223.55
d)2.4.8.16.23.1282=227
e)3.272.2433.39=331