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cảm ơn trước nhe mn ^-^ (. là nhân nhé)
a)0,2.dfrac{15}{36}-(dfrac{2}{5}+dfrac{2}{3}):1dfrac{1}{5}
b)1dfrac{13}{15}.0,75-(dfrac{8}{15}+0,25).dfrac{24}{47}
c)5:(4dfrac{3}{4}-1dfrac{25}{28})-1dfrac{3}{8}:(dfrac{3}{8}+dfrac{9}{20})
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cảm ơn trước nhe mn ^-^ (. là nhân nhé)
a)0,2.\(\dfrac{15}{36}\)-(\(\dfrac{2}{5}\)+\(\dfrac{2}{3}\)):1\(\dfrac{1}{5}\)
b)1\(\dfrac{13}{15}\).0,75-(\(\dfrac{8}{15}\)+0,25).\(\dfrac{24}{47}\)
c)5:(4\(\dfrac{3}{4}\)-1\(\dfrac{25}{28}\))-1\(\dfrac{3}{8}\):(\(\dfrac{3}{8}\)+\(\dfrac{9}{20}\))
\(1,4\cdot\dfrac{15}{49}-\left(\dfrac{4}{5}+\dfrac{2}{3}\right):2\dfrac{1}{5}\)
Thực hiện phép tính
a) 6dfrac{5}{12}: 2dfrac{3}{4}+ 11dfrac{1}{4}. ( dfrac{1}{3}- dfrac{1}{5})
b) ( dfrac{3}{5}+ 0,415 - dfrac{3}{200}) . 2dfrac{2}{3}. 0,25
c) 1dfrac{13}{15}. 0,75 - ( dfrac{11}{20}+ 25% ) : dfrac{7}{3}
GIÚP MÌNH VỚI !!
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Thực hiện phép tính
a) 6\(\dfrac{5}{12}\): 2\(\dfrac{3}{4}\)+ 11\(\dfrac{1}{4}\). ( \(\dfrac{1}{3}\)- \(\dfrac{1}{5}\))
b) ( \(\dfrac{3}{5}\)+ 0,415 - \(\dfrac{3}{200}\)) . 2\(\dfrac{2}{3}\). 0,25
c) \(1\dfrac{13}{15}\). 0,75 - ( \(\dfrac{11}{20}\)+ 25% ) : \(\dfrac{7}{3}\)
GIÚP MÌNH VỚI !!
Tính :
a) \(1\dfrac{13}{15}.\left(0,5\right)^2.3+\left(\dfrac{8}{15}-1\dfrac{19}{60}\right):1\dfrac{23}{24}\)
b) \(\dfrac{\left(\dfrac{11^2}{200}+0,415\right):0,01}{\dfrac{1}{12}-37,25+3\dfrac{1}{6}}\)
\(a,\dfrac{\dfrac{3}{41}-\dfrac{12}{47}+\dfrac{27}{53}}{\dfrac{4}{41}-\dfrac{16}{47}+\dfrac{36}{53}}+\dfrac{-0,25.\dfrac{-2}{3}-75\%:\left(\dfrac{-1}{2}+\dfrac{2}{3}\right)}{\left|-1\dfrac{1}{2}\right|.\left(\dfrac{-2}{3}-0,75:\dfrac{3}{-2}\right)}\)
a)(dfrac{2}{9}(6x-dfrac{3}{4})-3(dfrac{1}{4}x-dfrac{1}{5})dfrac{-8}{15}
b)dfrac{3}{4}(x-dfrac{8}{9})-5(x-dfrac{11}{15})+dfrac{1}{2}x5dfrac{1}{12}
c)dfrac{2}{3}(-3x-dfrac{6}{5})-dfrac{5}{7}(dfrac{49}{15}-14x)-2dfrac{1}{3}
d)(12dfrac{7}{8}-10dfrac{13}{8}):x-1dfrac{7}{33}:dfrac{8}{11}1dfrac{2}{3}
Đọc tiếp
a)(\(\dfrac{2}{9}\)(6x-\(\dfrac{3}{4}\))-3(\(\dfrac{1}{4}\)x-\(\dfrac{1}{5}\))=\(\dfrac{-8}{15}\)
b)\(\dfrac{3}{4}\)(x-\(\dfrac{8}{9}\))-5(x-\(\dfrac{11}{15}\))+\(\dfrac{1}{2}\)x=5\(\dfrac{1}{12}\)
c)\(\dfrac{2}{3}\)(-3x-\(\dfrac{6}{5}\))-\(\dfrac{5}{7}\)(\(\dfrac{49}{15}\)-14x)=-2\(\dfrac{1}{3}\)
d)(12\(\dfrac{7}{8}\)-10\(\dfrac{13}{8}\)):x-1\(\dfrac{7}{33}\):\(\dfrac{8}{11}\)=1\(\dfrac{2}{3}\)
a, \(\dfrac{1}{3}.\dfrac{4}{5}+\dfrac{1}{3}.\dfrac{6}{5}-\dfrac{4}{3}\)
b, \(\dfrac{4}{19}-\dfrac{-3}{7}+\dfrac{-3}{7}.\dfrac{15}{19}+\dfrac{5}{7}\)
c, \(\dfrac{5}{9}.\dfrac{7}{13}+\dfrac{5}{9}.\dfrac{9}{13}-\dfrac{5}{9}.\dfrac{3}{13}\)
các bạn giúp mình nhé mình đang cần gấp ạ
a.dfrac{5}{-4}.dfrac{16}{25}+dfrac{-5}{4}.dfrac{9}{25} (. là nhân nhé ạ ) e.11dfrac{1}{4}-(2dfrac{5}{7}+5dfrac{1}{4})
b.4dfrac{11}{23}-dfrac{9}{14}+2dfrac{12}{23}-dfrac{5}{4} g.dfrac{7}{19}.dfrac{8}{11}+dfrac{7}{19}.dfrac{3}{11}+dfrac{12}{19}
c.2dfrac{13}{27}-dfrac{7}{15}+3dfrac{14}{27}-dfrac{8}{15} h.-left(dfrac{1}{2}right)^2 .13dfrac{9}{11}-...
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các bạn giúp mình nhé mình đang cần gấp ạ
a.\(\dfrac{5}{-4}\).\(\dfrac{16}{25}\)+\(\dfrac{-5}{4}\).\(\dfrac{9}{25}\) (. là nhân nhé ạ ) e.\(11\dfrac{1}{4}\)-(\(2\dfrac{5}{7}\)+\(5\dfrac{1}{4}\))
b.\(4\dfrac{11}{23}\)-\(\dfrac{9}{14}\)+\(2\dfrac{12}{23}\)-\(\dfrac{5}{4}\) g.\(\dfrac{7}{19}\).\(\dfrac{8}{11}\)+\(\dfrac{7}{19}\).\(\dfrac{3}{11}\)+\(\dfrac{12}{19}\)
c.\(2\dfrac{13}{27}\)-\(\dfrac{7}{15}\)+\(3\dfrac{14}{27}\)-\(\dfrac{8}{15}\) h.\(-\left(\dfrac{1}{2}\right)^2\) .13\(\dfrac{9}{11}\)-25%.6\(\dfrac{2}{11}\)
d.\(\dfrac{-4}{9}\).\(\dfrac{7}{15}\)+\(\dfrac{4}{-9}\).\(\dfrac{8}{15}\) i.57%+1\(\dfrac{2}{15}\):\(\dfrac{68}{25}\)-2,82
Tính
a, 4timesleft(-dfrac{1}{2}right)^3-2timesleft(-dfrac{1}{2}right)^2+3timesleft(-dfrac{1}{2}right)+1
b, dfrac{4^6times9^5+6^9times120}{-8^4times3^{12}+6^{11}}
c, dfrac{155-dfrac{10}{7}-dfrac{5}{11}+dfrac{5}{23}}{403-dfrac{26}{7}-dfrac{13}{11}+dfrac{12}{23}}+dfrac{dfrac{3}{5}+dfrac{3}{13}-0,9}{dfrac{7}{91}+0,2-dfrac{3}{10}}
d,dfrac{30times4^7times3^{29}-5times14^5times2^{12}}{54times6^{14}times9^7-12times8^5times7^5}
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Tính
a, 4\(\times\left(-\dfrac{1}{2}\right)^3-2\times\left(-\dfrac{1}{2}\right)^2+3\times\left(-\dfrac{1}{2}\right)+1\)
b, \(\dfrac{4^6\times9^5+6^9\times120}{-8^4\times3^{12}+6^{11}}\)
c, \(\dfrac{155-\dfrac{10}{7}-\dfrac{5}{11}+\dfrac{5}{23}}{403-\dfrac{26}{7}-\dfrac{13}{11}+\dfrac{12}{23}}+\dfrac{\dfrac{3}{5}+\dfrac{3}{13}-0,9}{\dfrac{7}{91}+0,2-\dfrac{3}{10}}\)
d,\(\dfrac{30\times4^7\times3^{29}-5\times14^5\times2^{12}}{54\times6^{14}\times9^7-12\times8^5\times7^5}\)