N=\(\dfrac{11.3^{22}.3^7-9^{15}}{\left(2.3^{14}\right)^2}\)
Tính hợp lí :
1) \(\frac{4^9.36+64^4}{16^4.100}\)
2) \(\frac{2^{13}+2^5}{2^{10}+2^2}\)
3) \(\frac{11.3^{22}.3^7-9^{15}}{\left(2.3^{14}\right)^2}\)
4) \(\frac{21^2.14.125}{35^5.6}\)
Tính: A= 11.322.3^7-9^15
(2.3^14)^2
11.322.37-915 / (2.314)2
tính A= 11.382.37-915/(2.314)2
Tính giá trị biểu thức
A= 3.55+2.54+2.53+4.52+1
B=(1007+257_ 107) : 57
C=(11.322.37_915):(2.314)2
nh hợp lí các biểu thức sau
a) 48 + l48 - 174l + (-74) b) (-123) + 77 + (- 257) + 23 -43
c) (- 57) + (- 159) + 47 + 169 d) (135 - 35) . (- 47) + 53 . (- 48 - 52)
e) \(\frac{3^{10}.11+3^{10}.5}{3^9.2^4}\) f) \(\frac{2^{10}.13+2^{10}.65}{2^8.104}\)
g)\(\frac{4^9.36+64^4}{16^4.100}\) h) \(\frac{2^{13}+2^5}{2^{10}+2^2}\)
i) \(\frac{11.3^{22}.3^7-9^{15}}{\left(2.3^{14}\right)^2}\) k) \(\frac{21^2.14.125}{35^5.6}\)
Tính N = \(\frac{5.\left(2^2.3^2\right)^9.\left(2^2\right)^6-2.\left(2^2.3\right)^{14}.3^6}{5.2^{28}.3^{19}-7.2^{29}.3^{18}}\)
Thực hiện phép tính:
A =\(\frac{5.\left(2^2.3^2\right)^9.\left(2^2\right)^6-2.\left(2^2.3\right)^{14}.3^4}{5.2^{28}.3^{18}-7.2^{29}.3^{18}}\)
B= \(81.\frac{12-\frac{12}{7}-\frac{12}{289}-\frac{12}{85}5+\frac{5}{13}+\frac{5}{169}+\frac{5}{91}}{4-\frac{4}{7}-\frac{4}{289}-\frac{4}{85}6+\frac{6}{13}+\frac{6}{169}+\frac{6}{91}}.\frac{158158158}{711711711}\)