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Giới thiệu về bản thân
2 mu~ 3 = 2 x 2 x 2 = 8
3 mu~ 3 = 3 x 3 x 3 = 27
4 mu~ 3 = 4 x 4 x 4 = 64
5 mu~ 3 = 5 x 5 x 5 = 125
6 mu~ 3 = 6 x 6 x 6 = 216
7 mu~ 3 = 7 x 7 x 7 = 329
8 mu~ 3 = 8 x 8 x 8 = 512
9 mu~ 3 = 9 x 9 x 9 =729
10 mu~ 3 = 10 x 10 x 10 = 100
2 mu~ 2 =2 x 2 = 4
3 mu~ 2 = 3 x 3 = 9
4 mu~ 2 = 4 x 4 = 16
5 mu~ 2 = 5 x 5 = 25
6 mu~ 2 = 6 x 6 = 36
7 mu~ 2 = 7 x 7 = 14
8 mu~ 2 = 8 x 8 = 16
9 mu~ 2 = 9 x 9 = 81
10 mu~ 2 = 10 x 10 = 100
co' 15 chie^'c xe
co' 24 cai chan
x + { 2x - 3 } = 9
x + 2x = 9+3
x + 2x = 12
2x = 12
x = 12 : 2
x = 6
125 - { x +`1 } = 100
x +1 = 125 - 100
x + 1 = 25
x = 25-1
x =24
[ 985 + n ] - 314 = 882
985 + n = 882 - 314
985 + n = 568
n = 985 - 568
n = 417
415 - 2x = 91
2x = 415 - 91
2x = 324
x = 324 : 2
x = 162
183 { x - 18 } = 99
x - 18 = 183 - 99
x - 18 = 84
x = 84+18
x = 102
3 x 7 - 2 x ( X + 1 ) = 7
21 - 2 x (X + 1 ) = 7
2 x X +1 = 21: 7
2 x X + 1 = 3
X x 2 + 1 = 3
X x 3 = 3
X = 3 : 3
x = 1
buoi sang ban duoc so cam quyt la
25 + 75 = 100 (qua )
dap so : 100 qua
136 : x + 34 : x =10
(136+34) : x = 10
170 : x = 10
x = 170:10
x = 17
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