36+(3.23-4.32)
=36+(3.8-4.9)36+(24-36)
=24+(36-36)
=24+0
=24
36+(3.23-4.32)
=36+(3.8-4.9)36+(24-36)
=24+(36-36)
=24+0
=24
1 Thực hiện phép tính
a) 6^6 : 6^3 + 4^3 . 4^3 . 4^2
b) (- 137)+(- 129)
c) - 84 - 36
d) 11.37 + 63.11 - 49
e) 16 : 2^3 + 4 : 3^3 - 4.3
tinh nhanh nếu có thể
36 mũ 5 nhân 24 mũ 3 phần 108 mũ 2 nhân 54 mũ 2
tinh nhanh
\(\dfrac{25}{100}+\dfrac{14}{21}-\dfrac{31}{62}-\dfrac{-15}{40}+\dfrac{-27}{45}-\dfrac{-36}{135}\)
tinh nhanh
\(\left(1-\dfrac{28}{10}\right).\left(1-\dfrac{52}{22}\right).\left(1-\dfrac{80}{36}\right)....\left(1-\dfrac{21808}{10900}\right)\)
Thuc hien phep tinh 1 cach hop li
a, 120 - ( 61) × (-2)^3 × ( -1)^ 2n ( n thuoc N*)
b, 136 × (-47) +36 × 47
c, (-48) + 72 +36 + (-304)
tinh nhanh
\(\frac{1}{2^2}+\frac{2}{2^3}+\frac{3}{2^4}+...+\frac{9}{2^{10}}\)
tinh nhanh S=1/2+1/22+1/23+...+1/29.
tinh nhanh
B=\(\dfrac{3}{1^{2^{ }}.2^2}+\dfrac{5}{2^2.3^2}+\dfrac{7}{3^{2^{ }}.4^2}+...+\dfrac{19}{9^2.10^2}\)
Tinh nhanh
a) 18 ^3 : 9 ^ 3
b) 125 ^3 : 25 ^4
c) ( 10^3 + 10 ^4 + 125^2 ) : 5^3
d) 24^4 . 3^4 - 32 ^12 : 16 ^12