Các câu hỏi tương tự
\(19\frac{5}{8}:\frac{7}{12}-13\frac{1}{4}:\frac{7}{12}x\frac{4}{5}\)
\(\left(19\frac{5}{8}.\frac{7}{12}-13\frac{1}{4}:\frac{7}{12}\right).\frac{4}{5}\)
Bài 1: tính nhanha)6frac{4}{5}-left(1frac{2}{3}+3frac{4}{5}right)b)left(frac{-4}{5}+frac{4}{3}right)+left(frac{-5}{4}+frac{14}{5}right)-frac{7}{3}c)frac{8}{3}.frac{2}{5}.frac{3}{8}.10frac{19}{92}d)frac{-5}{7}.frac{2}{11}+frac{-5}{7}.frac{9}{14}+1frac{5}{7}e)frac{12}{19}.frac{7}{15}.frac{-13}{17}.frac{19}{12}.frac{17}{13}
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Bài 1: tính nhanh
a)\(6\frac{4}{5}-\left(1\frac{2}{3}+3\frac{4}{5}\right)\)
b)\(\left(\frac{-4}{5}+\frac{4}{3}\right)+\left(\frac{-5}{4}+\frac{14}{5}\right)-\frac{7}{3}\)
c)\(\frac{8}{3}.\frac{2}{5}.\frac{3}{8}.10\frac{19}{92}\)
d)\(\frac{-5}{7}.\frac{2}{11}+\frac{-5}{7}.\frac{9}{14}+1\frac{5}{7}\)
e)\(\frac{12}{19}.\frac{7}{15}.\frac{-13}{17}.\frac{19}{12}.\frac{17}{13}\)
\(\frac{4}{7}.\frac{3}{5}.\frac{7}{4}.\left(-20\right).\frac{-11}{12}\)Tính nhazz
\(\frac{7}{13}.\frac{5}{19}+\frac{7}{19}.\frac{8}{13}-\frac{37}{19}\)
giúp mk vs ạ
D = (\(19\frac{5}{8}:\frac{7}{12}-13\frac{1}{4}:\frac{7}{12}\))x \(\frac{4}{5}\)
BÀI 1:a/ frac{2}{7}+frac{-3}{8}+frac{11}{7}+frac{1}{3}+frac{1}{7}+frac{5}{-8}b/ frac{-3}{8}+frac{12}{25}+frac{5}{-8}+frac{2}{-5}+frac{13}{25}c/ frac{7}{8}+frac{1}{8}.frac{3}{8}+frac{1}{8}.frac{5}{8}d/ frac{-5}{6}.frac{4}{19}+frac{-7}{12}.frac{4}{19}-frac{40}{57}e/ frac{3}{7}.frac{9}{26}-frac{1}{14}.frac{1}{13}-frac{1}{7}f/ left(frac{2}{3}-frac{1}{ }_{_4+frac{5}{11}}right):left(frac{5}{12}+1-frac{7}{11}right)g/ frac{4}{9}:left(-frac{1}{7}right)+6frac{5}{9}:left(-frac{1}{7}right)h/ 1frac{5}{18}-fr...
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BÀI 1:
a/ \(\frac{2}{7}+\frac{-3}{8}+\frac{11}{7}+\frac{1}{3}+\frac{1}{7}+\frac{5}{-8}\)
b/ \(\frac{-3}{8}+\frac{12}{25}+\frac{5}{-8}+\frac{2}{-5}+\frac{13}{25}\)
c/ \(\frac{7}{8}+\frac{1}{8}.\frac{3}{8}+\frac{1}{8}.\frac{5}{8}\)
d/ \(\frac{-5}{6}.\frac{4}{19}+\frac{-7}{12}.\frac{4}{19}-\frac{40}{57}\)
e/ \(\frac{3}{7}.\frac{9}{26}-\frac{1}{14}.\frac{1}{13}-\frac{1}{7}\)
f/ \(\left(\frac{2}{3}-\frac{1}{ }_{_4+\frac{5}{11}}\right):\left(\frac{5}{12}+1-\frac{7}{11}\right)\)
g/ \(\frac{4}{9}:\left(-\frac{1}{7}\right)+6\frac{5}{9}:\left(-\frac{1}{7}\right)\)
h/ \(1\frac{5}{18}-\frac{5}{18}:\left(\frac{1}{15}+1\frac{1}{12}\right)\)
i/ \(\frac{-1}{7}.\left(9\frac{1}{2}-8,75\right):\frac{2}{7}+62,5\%:1\frac{2}{3}\)
\(a,49\frac{8}{23}-\left(5\frac{7}{32}+14\frac{8}{23}\right)\)
\(b,71\frac{38}{45}-\left(43\frac{8}{45}-1\frac{17}{57}\right)\)
\(d,\left(19\frac{15}{8}:\frac{7}{12}-13\frac{1}{4}:\frac{7}{12}\right).\frac{4}{5}\)
\(B=\frac{8}{3}.\frac{2}{5}.\frac{3}{8}.10.\frac{19}{92}\)
\(C=\frac{-5}{7}.\frac{2}{7}+\frac{-5}{7}.\frac{9}{14}+1\frac{5}{7}\)
\(D=\frac{12}{19}.\frac{7}{15}.\frac{-13}{17}.\frac{19}{12}.\frac{17}{13}\)
\(E=\frac{1}{1.2}+\frac{1}{2.3}+\frac{1}{3.4}+...+\frac{1}{49.50}\)
9 tháng 2 2019 lúc 9:09
Giải giùm mk zới mn~~~~tặng người đầu tiên làm 4 tick nha(đảm bảo lên 4 điểm 100%)a)frac{-4}{9}.frac{7}{15}+frac{4}{-9}.frac{8}{15}b)frac{5}{-4}.frac{16}{25}+frac{-5}{4}.frac{9}{25}.c)4frac{11}{23}-frac{9}{14}+2frac{12}{23}-frac{5}{4}.d)2frac{13}{27}-frac{7}{15}+3frac{14}{27}-frac{8}{15}e)11frac{1}{4}-left{2frac{5}{7}+5frac{1}{4}right}g)frac{7}{19}.frac{8}{11}+frac{7}{19}.frac{3}{11}+frac{12}{19}
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Giải giùm mk zới mn~~~~tặng người đầu tiên làm 4 tick nha(đảm bảo lên 4 điểm 100%)
a)\(\frac{-4}{9}.\frac{7}{15}+\frac{4}{-9}.\frac{8}{15}\)
b)\(\frac{5}{-4}.\frac{16}{25}+\frac{-5}{4}.\frac{9}{25}.\)
c)\(4\frac{11}{23}-\frac{9}{14}+2\frac{12}{23}-\frac{5}{4}.\)
d)\(2\frac{13}{27}-\frac{7}{15}+3\frac{14}{27}-\frac{8}{15}\)
e)\(11\frac{1}{4}-\left\{2\frac{5}{7}+5\frac{1}{4}\right\}\)
g)\(\frac{7}{19}.\frac{8}{11}+\frac{7}{19}.\frac{3}{11}+\frac{12}{19}\)