Các câu hỏi tương tự
a) frac{14}{21}+1-|frac{1}{3}-1|b) frac{1}{3}-|frac{-1}{4}+frac{5}{6}|-|frac{-7}{12}|c) |frac{-5}{6}+frac{1}{2}|-frac{1}{3}+|frac{-5}{12}|d) frac{-10}{6}-frac{4}{-8}|frac{-3}{4}+frac{5}{-2}|e) |frac{-5}{2}|-|frac{-4}{28}+1|-frac{-3}{14}g) frac{5}{7}-|frac{-4}{28}+frac{1}{2}|-|frac{-3}{14}|Các bạn giúp mik bài này nhé. Càm ơn nhiều
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a) \(\frac{14}{21}+1-|\frac{1}{3}-1|\)
b) \(\frac{1}{3}-|\frac{-1}{4}+\frac{5}{6}|-|\frac{-7}{12}|\)
c) \(|\frac{-5}{6}+\frac{1}{2}|-\frac{1}{3}+|\frac{-5}{12}|\)
d) \(\frac{-10}{6}-\frac{4}{-8}|\frac{-3}{4}+\frac{5}{-2}|\)
e) \(|\frac{-5}{2}|-|\frac{-4}{28}+1|-\frac{-3}{14}\)
g) \(\frac{5}{7}-|\frac{-4}{28}+\frac{1}{2}|-|\frac{-3}{14}|\)
Các bạn giúp mik bài này nhé. Càm ơn nhiều
Tính:
G=\(\frac{\frac{7}{12}+\frac{5}{6}-1}{5-\frac{3}{4}+\frac{1}{3}}\)
kiểm tra hộ em
1/ thực hiện phép tính
a/\(\frac{1}{4}.\frac{2}{3}-\frac{3}{2}.\frac{1}{6}+\frac{1}{12}\)
=\(\frac{1}{6}-\frac{1}{4}+\frac{1}{12}\)
=\(\frac{2-3+1}{12}=\frac{-1+1}{12}=0\)
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/ \(\frac{-1}{7}.\left(9\frac{1}{2}-8,75\right):\frac{2}{7}+62,5\%:1\frac{2}{3}\)
Tính:
1,\(\frac{2}{5}+\left(-\frac{4}{5}\right)+\left(-\frac{1}{2}\right)\)
2,\(A=\frac{0,375-0,3+\frac{3}{11}+\frac{3}{12}}{-0,625+0,5-\frac{5}{11}-\frac{5}{12}}+\frac{1,5+1-0,75}{2,5+\frac{5}{3}-1,25}\)
3,\(B=\frac{\frac{1}{3}-\frac{1}{7}-\frac{1}{13}}{\frac{2}{3}-\frac{2}{7}-\frac{2}{13}}.\frac{\frac{1}{3}-0,25+0,2}{1\frac{1}{6}-0,875+0,7}+\frac{6}{7}\)
\([\frac{1\frac{11}{31}.4\frac{3}{7}-\left(15-6\frac{1}{3}.\frac{2}{19}\right)}{4\frac{5}{6}+\frac{1}{6}\left(12-5\frac{1}{3}\right)}.\left(-1\frac{14}{93}\right)].\frac{31}{50}\)
tính A = \(\frac{\frac{1}{2}+\frac{1}{6}+\frac{1}{12}+...+\frac{1}{90}}{5+\frac{5}{3}+\frac{5}{6}+\frac{1}{2}+...+\frac{1}{9}}\)
tínha ) frac{1}{6}-frac{1}{3} b ) frac{15}{48}-frac{-5}{12} c ) frac{-1}{7}-frac{1}{8} d ) frac{-3}{15}-frac{-3}{25} e ) frac{-6}{13}.frac{-1}{3}.frac{-9}{10}.frac{-13}{36} g ) frac{-1}{3}.frac{-15}{17}.frac{34}{34} h ) frac{1}{3}.frac{4}{5}+frac{1}{3}.frac{6}{5}+frac{2}{3}n ) frac{-5}{6}.frac{4}{9}+frac{-7}{12}.frac{4}{19}-frac{40}{57} m ) frac{3}{7}.frac{9}{26}-frac{1}{14}.frac{1}{13}-frac{1}{7}
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tính
a ) \(\frac{1}{6}-\frac{1}{3}\) b ) \(\frac{15}{48}-\frac{-5}{12}\) c ) \(\frac{-1}{7}-\frac{1}{8}\) d ) \(\frac{-3}{15}-\frac{-3}{25}\)
e ) \(\frac{-6}{13}.\frac{-1}{3}.\frac{-9}{10}.\frac{-13}{36}\) g ) \(\frac{-1}{3}.\frac{-15}{17}.\frac{34}{34}\) h ) \(\frac{1}{3}.\frac{4}{5}+\frac{1}{3}.\frac{6}{5}+\frac{2}{3}\)
n ) \(\frac{-5}{6}.\frac{4}{9}+\frac{-7}{12}.\frac{4}{19}-\frac{40}{57}\) m ) \(\frac{3}{7}.\frac{9}{26}-\frac{1}{14}.\frac{1}{13}-\frac{1}{7}\)
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):
\(a,\frac{\frac{3}{41}-\frac{12}{47}+\frac{27}{53}}{\frac{4}{41}-\frac{16}{47}+\frac{36}{53}}+\frac{-0,25.\frac{-2}{3}-75\%:(\frac{-1}{2}+\frac{2}{3})}{|-1\frac{1}{2}|.(\frac{-2}{3}-0,75:\frac{3}{-2})}\)
\(b,A=158.(\frac{12-\frac{12}{7}-\frac{12}{289}-\frac{12}{85}}{4-\frac{4}{7}-\frac{4}{289}-\frac{4}{85}}:\frac{5+\frac{5}{13}+\frac{5}{169}+\frac{5}{91}}{6+\frac{6}{13}+\frac{6}{169}+\frac{6}{91}}).\frac{50550505}{711711711}\)