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tính nhanh nếu có thể
\(\frac{-1}{4}+\frac{7}{33}\times\frac{5}{3}-\frac{5}{12}-\frac{6}{11}+\frac{5}{42}\)
1.tính nhanh nếu có thể
\((\frac{-1}{4}+\frac{7}{33}-\frac{5}{3})-(\frac{-5}{12}+\frac{6}{11}-\frac{5}{42})\)
Tính nhanh nếu có thể......\(9\frac{2}{9}+\frac{2}{3}+7\frac{7}{9}\) \(\frac{5}{9}\times\frac{10}{11}+\frac{5}{9}\times\frac{14}{11}-\frac{5}{9}\times\frac{15}{11}\)
\(\frac{1}{6}\div\left(0,75+\frac{1}{6}\right)-50\%-\left(1\right)^2\)
Tính nhanh (nếu có thể):a,frac{frac{3}{41}-frac{12}{47}+frac{27}{53}}{frac{4}{41}-frac{16}{47}+frac{36}{53}}+frac{-0,25.frac{-2}{3}-75%:(frac{-1}{2}+frac{2}{3})}{|-1frac{1}{2}|.(frac{-2}{3}-0,75:frac{3}{-2})}b,A158.(frac{12-frac{12}{7}-frac{12}{289}-frac{12}{85}}{4-frac{4}{7}-frac{4}{289}-frac{4}{85}}:frac{5+frac{5}{13}+frac{5}{169}+frac{5}{91}}{6+frac{6}{13}+frac{6}{169}+frac{6}{91}}).frac{50550505}{711711711}
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Tính nhanh (nếu có thể):
\(a,\frac{\frac{3}{41}-\frac{12}{47}+\frac{27}{53}}{\frac{4}{41}-\frac{16}{47}+\frac{36}{53}}+\frac{-0,25.\frac{-2}{3}-75\%:(\frac{-1}{2}+\frac{2}{3})}{|-1\frac{1}{2}|.(\frac{-2}{3}-0,75:\frac{3}{-2})}\)
\(b,A=158.(\frac{12-\frac{12}{7}-\frac{12}{289}-\frac{12}{85}}{4-\frac{4}{7}-\frac{4}{289}-\frac{4}{85}}:\frac{5+\frac{5}{13}+\frac{5}{169}+\frac{5}{91}}{6+\frac{6}{13}+\frac{6}{169}+\frac{6}{91}}).\frac{50550505}{711711711}\)
1.tính nhanh nếu có thểa)frac{4}{11}-frac{7}{15}+frac{7}{11}-frac{5}{15}b)frac{7}{3}-frac{4}{9}-frac{1}{3}-frac{5}{9}c)(frac{-1}{4}+frac{7}{33}-frac{5}{3})d)frac{-3}{4}timesfrac{8}{11}-frac{3}{11}timesfrac{1}{2}e)frac{1}{15}+frac{1}{35}+frac{1}{63}+frac{1}{99}+frac{1}{143}+frac{1}{195}
Đọc tiếp
1.tính nhanh nếu có thể
a)\(\frac{4}{11}\)-\(\frac{7}{15}\)+\(\frac{7}{11}\)-\(\frac{5}{15}\)
b)\(\frac{7}{3}\)-\(\frac{4}{9}\)-\(\frac{1}{3}\)-\(\frac{5}{9}\)
c)\((\frac{-1}{4}\)+\(\frac{7}{33}\)-\(\frac{5}{3}\)\()\)
d)\(\frac{-3}{4}\)\(\times\frac{8}{11}\)-\(\frac{3}{11}\)\(\times\frac{1}{2}\)
e)\(\frac{1}{15}\)+\(\frac{1}{35}+\frac{1}{63}+\frac{1}{99}+\frac{1}{143}+\frac{1}{195}\)
tính giá trị biểu thức(tính nhanh nếu có thể)
a,\(\frac{6}{7}+\frac{5}{8}:5-\frac{3}{16}.\left(-2\right)^2\)
b,\(\frac{2}{3}+\frac{1}{3}.\left(\frac{-4}{9}+\frac{5}{6}\right):\frac{7}{12}\)
Nhanh thì tick
tính hợp lý nếu có thể:
a, \(\frac{9\times\left(-3\right)^6-5\times3^7}{2^4\times\left(-3\right)^7}\)
b,\(\frac{\frac{5}{22}+\frac{3}{13}-\frac{1}{2}}{\frac{4}{13}-\frac{2}{11}+\frac{3}{2}}\)
\(\frac{1}{3}\times\frac{2}{5}\times\frac{3}{7}\times\frac{4}{9}\times\frac{5}{11}\times\frac{6}{15}\times\frac{7}{15}\times\frac{8}{15}\times\frac{9}{19}\times\frac{10}{21}\times\frac{11}{32}\times\frac{12}{25}\times\left\{\frac{126}{252}-\frac{2}{4}\right\}\)
Thực hiện phép tính (Tính nhanh nếu có thể) :
a) \(\frac{1}{3}+\frac{1}{3^2}+\frac{1}{3^3}+...+\frac{1}{3^{100}}\)
b) \(\frac{\frac{5}{12}+\frac{1}{8}-\frac{7}{11}}{\frac{49}{11}-\frac{7}{8}-\frac{35}{12}}\)
c)\(\frac{5-\frac{5}{3}-\frac{5}{9}-\frac{5}{27}}{-8+\frac{8}{3}+\frac{8}{9}+\frac{8}{27}}\div\frac{15-\frac{15}{11}-\frac{15}{121}}{16-\frac{16}{11}-\frac{16}{121}}\)