\(A=\left(\dfrac{-40}{51}.0.32.\dfrac{17}{20}\right):\dfrac{64}{75}\)
Tính hợp lí:
\(\left(-\frac{40}{51}.0,32.\frac{17}{20}\right):\frac{64}{75}\)
Tính:a,(-40/41.0,32.17/20):64/75
b,-10/11.8/9+7/18.10/11
c,3/14:1/28-13/21:1/28+29/42:1/28-8
d,-12/7.15+2/7.(-15)+(-105).(2/3-4/5+1/7)
bài 1:Tính:
a)(-\(\frac{40}{52}\).0,32.\(\frac{17}{20}\)):\(\frac{64}{75}\)
b)-\(\frac{10}{11}\).\(\frac{8}{9}\)+\(\frac{7}{18}\).\(\frac{10}{11}\)
c)\(\frac{45^{10}.5^{20}}{75^{15}}\)
d)(-0,125)3.804
a ) thực hiện phép tính bằng cách nhanh nhất
\(\left(-\frac{40}{51}.0,32.\frac{17}{20}\right):\frac{64}{75}\)
\(-1\frac{5}{7}.15+\frac{2}{7}.\left(-15\right)+\left(-105\right).\left(\frac{2}{3}-\frac{4}{5}+\frac{1}{7}\right)\)
thực hiện cách hợp lí
a) \(\left(-\frac{40}{5}.0,32.\frac{17}{20}\right):\frac{64}{75}\)
b) \(-1\frac{5}{7}.15+\frac{2}{7}.\left(-15\right)+\left(-105\right).\left(\frac{2}{3}-\frac{4}{5}+\frac{1}{7}\right)\)
\(\dfrac{45^{10}\cdot5^{20}}{75^{15}}\)
\(\dfrac{6^6+6^3+3^3+3^6}{-73}\)
\(\dfrac{27^7+3^{15}}{9^9-27}\)
\(\dfrac{8^{20}+4^{20}}{4^{25}+64^5}\)
Bà 18 : Thực hiện các phép tính sau = cách hợp lý nhất :
a) ( -40/51 . 0,32 . 17/20 ) : 64/75
b) -10/11 . 8/9 + 7/18 . 10/11
c) 3/14 : 1/28 - 13/21 : 1/28 + 29/42 : 1/28 - 8
d) \(-1\frac{5}{7}.15+\frac{2}{7}.\left(-15\right)+\left(-105\right).\left(\frac{2}{3}-\frac{4}{5}+\frac{1}{7}\right)\)
1. Tính giá trị biểu thức:
A = \(\frac{6^6+6^3.3^3+3^6}{-73}\)
B = \(\frac{8^{20}+4^{20}}{4^{25}+64^5}\)
C = \(\frac{45^{10}.5^{20}}{75^{15}}\)