\(\frac{23.2323.29}{23.292929}=\frac{23.23.101.29}{23.10101.29}=\frac{23.101}{10101}=\frac{2323}{10101}\)
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Tính hợp lý : \(\frac{\left(2^{17}+5^{17}\right)\times\left(3^{14}-5^{12}\right)\times\left(2^4\times4^2\right)}{15^2+5^3+67^7}\)
Tính hợp lý : \(\frac{\left(2^{17}+5^{17}\right)\times\left(3^{14}-5^{12}\right)\times\left(2^4\times4^2\right)}{15^{2+}5^{3+}67^7}\)
ai đó thông minh giải giùm mình với
1frac{13}{15}times3timesleft(0,5right)^2times3+left(frac{8}{15}-1frac{19}{60}div1frac{23}{24}right)left(-3,2right)timesfrac{-15}{64}+left(0,8-2frac{4}{15}right)div1frac{23}{24} Bài 2 rút gọnfrac{2timesleft(-13right)times9times10}{left(-3right)times4timesleft(-5right)times26}frac{15times8+15times4}{12times3}
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\(1\frac{13}{15}\times3\times\left(0,5\right)^2\times3+\left(\frac{8}{15}-1\frac{19}{60}\div1\frac{23}{24}\right)\)
\(\left(-3,2\right)\times\frac{-15}{64}+\left(0,8-2\frac{4}{15}\right)\div1\frac{23}{24}\)
Bài 2 rút gọn\(\frac{2\times\left(-13\right)\times9\times10}{\left(-3\right)\times4\times\left(-5\right)\times26}\)
\(\frac{15\times8+15\times4}{12\times3}\)
Tính : \(\frac{\left(2^{17}+5^{17}\right)\left(3^{14}-5^{12}\right)\left(2^4-4^2\right)}{15^2+5^3+67^7}\)
1. Tính :
a.\(\frac{\frac{2}{7}+\frac{2}{5}+\frac{2}{17}+\frac{2}{293}}{\frac{3}{7}+\frac{3}{5}+\frac{3}{17}+\frac{3}{293}}+\frac{\frac{7}{12}+\frac{5}{6}-1}{5-\frac{3}{4}+\frac{1}{3}}\)
b.\(\left(1-\frac{1}{7}\right)\times\left(1-\frac{2}{7}\right)\times\left(1-\frac{3}{7}\right)\times......\times\left(1-\frac{10}{7}\right)\)
Tính hợp lý : \(\frac{\left(2^{17}+5^{17}\right)\left(3^{14}-5^{12}\right)\left(2^4-4^2\right)}{15^2+5^3+67^7}\)
Tính \(\frac{\left(2^{17}+5^{17}\right)\left(3^{14}-5^{12}\right)\left(2^4-4^2\right)}{15^2+5^3+67^7}\)
Bài 16: Tính nhanh:
a, A = \(\frac{17}{23}\times\frac{8}{16}\times\frac{23}{17}\times\left(-80\right)\times\frac{3}{4}\)
b, B = \(\left(\frac{13}{23}+\frac{1313}{2323}-\frac{131313}{232323}\right)\times\left(\frac{1}{3}+\frac{1}{4}-\frac{7}{12}\right)\)
Bài 16: Tính nhanh:
a, A = \(\frac{17}{23}\times\frac{8}{16}\times\frac{23}{17}\times\left(-80\right)\times\frac{3}{4}\)
b. C = \(\left(\frac{13}{23}+\frac{1313}{2323}-\frac{131313}{232323}\right)\times\left(\frac{1}{3}+\frac{1}{4}-\frac{7}{12}\right)\)