56=15625
39=19683
56+39=15625+19683
=35308
56=15625
39=19683
56+39=15625+19683
=35308
56=15625
39=19683
56+39=15625+19683
=35308
56=15625
39=19683
56+39=15625+19683
=35308
56=15625
39=19683
56+39=15625+19683
=35308
56=15625
39=19683
56+39=15625+19683
=35308
1-2-3-4-5-6-7-8-9-0+4+9+1+2+3+4+5:3:5:6:67:8:96+7+8+9+9-2-3-4-5-6-7-8-9-2+4+2+1+3+4+5+6+7+9+0+8+67?
LÂY BÚA CHAC ĐẦU ĐUÔI HỎI =?
Bài 1: Tính:
A= ((2^12 . 3^5 - 4^6 . 9^3 ) / 9( 2^2 . 3 )^6 + (8^4 . 3^5))) - ((5^10 . 7^3 - 25^2 . 49^2) / (( 125 . 7 )^3 + 5^9 . 14^3))
B= (2^9 . 27^3 + 15 . 4^9 . 9^4) / (6^9 . 2^0 + 12^10)
a) 2^7 . 9^3 / 6^5 . 8^2
b) 6^10 . 27^5 / 4^5 . 81^6
c) 3^18 . 32^9 / 64^7 . 27^6
d) 9^12 . 3^5 + 9^15 / ( 2. 27 )^5 . 3^14
e) 5^4 + 2^2 . 5^2 - 125 / 2^3 . 3
Tinh nhanh:
m)5^1+5^2+5^3+...+5^199+5^200
n)3^0-3^2+3^3-3^4+...+3^2017-3^2018+3^2019-3^2020
o)6+6*9+6*9^2+6*9^3+...+6*9^99
p)(-1)*(-1^2)*(-1^3)*(-1^4)*...*(-1^99)*-(1^100)
Giup minh nhe!
Tính 1) 4/5 +13/18 2) 3/7 -11/8 3) -7/10 - -4/5 4) 3/20 -1/25 5) 2/3 - 5/6 6) 1/4 + -3/8 - 19/10 7) -9/10 - -7/18 8) 3/10 - 11/18 9) 3/5 -5/6 + -7/12 10) -4/9 - (-5 )/6 - 3/8
5/9 × 8/17+ 3/17 : 9/7 - 5/9 7/3 × 6/ 11 + 7 / 11 - 5 /13 + 6/ 13
a) 1*2*3*4*5*6*7*8*9
b) 2*2*3*3*4*4*5*5*6*6*7*7*8*8*9*9
bài 5: tính giá trị biểu thức sau một cách hợp lí
A = -7/21 + ( 1+1/3) B=2/15 +(5/9+ -6/9)
C=9-1/5 + 3/12 ) + -3/4
bài 6
a) x + 7/8 = 13/12 b) - (-6)/12 - x = 9/48
c) x+ 4/6 = 5/25 - (-7)/15 c) x + 4/5 = 6/20 - (-7)/3
Tính.
3 mũ 9 : 3 mũ 8 + 5 mũ 8 : 5 mũ 7
6 mũ 9 : 6 mũ 7 - 30
( 2 mũ 7 × 2 mũ 2 ) : 2 mũ 9 - 5 mũ 0
3 × 3 × 3 × 3 × 3 × 3 mũ 5
Câu 2:
a,-2/49-(5/3-2/49) b,C=5*4^15*9^9-4*3^20*8^9/5*2^9*6^19-7*2^29*27^6