\(\frac{38}{11}+\left(\frac{13}{16}+\frac{6}{11}\right)\)
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Tính nhanh :
\(\frac{38}{11}+\left(\frac{13}{16}+\frac{6}{11}\right)\)
\(\frac{38}{11}+\left(\frac{13}{16}+\frac{6}{11}\right)\)
\(=\left(\frac{38}{11}+\frac{6}{11}\right)+\frac{13}{16}\)
\(=4+\frac{13}{16}\)
\(=\frac{77}{16}\)
---------HOK TỐT---------
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Trả lời :
\(\frac{38}{11}+\left(\frac{13}{16}+\frac{6}{11}\right)\)
\(=\frac{38}{11}+\frac{13}{16}+\frac{6}{11}\)
\(=\left(\frac{38}{11}+\frac{6}{11}\right)+\frac{13}{16}\)
\(=4+\frac{13}{16}\)
\(4\frac{13}{16}\)
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\(\frac{38}{11}+\left(\frac{13}{16}+\frac{6}{11}\right)\)
\(=\left(\frac{38}{11}+\frac{6}{11}\right)+\frac{13}{16}\)
\(=4+\frac{13}{16}\)
\(=4\frac{13}{16}\)
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Tính nhanh :
\(\left(13\frac{9}{11}:\frac{38}{49}-5\frac{2}{11}:\frac{38}{49}\right):\left(\frac{49}{38}.\frac{5}{11}\right)\)
Mình làm thử, không biết có sai không, nếu sai thì cho mình đáp án rút kinh nghiệm nhé:
\(\left(13\frac{9}{11}:\frac{38}{49}-5\frac{2}{11}:\frac{38}{49}\right):\left(\frac{49}{38}.\frac{5}{11}\right)\)
\(=\left(\frac{152}{11}:\frac{38}{49}-\frac{57}{11}:\frac{38}{49}\right):\left(\frac{49}{38}.\frac{5}{11}\right)\)
\(=\left(\frac{196}{11}-\frac{147}{22}\right):\frac{245}{418}\)
\(=\frac{245}{22}:\frac{245}{418}=19\)
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Tính:a) frac{frac{3}{5}+frac{3}{27}-frac{3}{9}-frac{3}{11}}{frac{4}{5}+frac{4}{27}-frac{4}{9}-frac{4}{11}}b) frac{5-frac{5}{3}-frac{5}{27}}{8-frac{8}{3}-frac{8}{27}}:frac{15+frac{15}{121}-frac{15}{11}}{16+frac{16}{121}-frac{16}{11}}c) frac{1}{2}:left(frac{-3}{2}right):frac{4}{3}:left(frac{-5}{4}right):frac{6}{5}:left(frac{-7}{6}right):...:left(frac{-101}{100}right)Mọi người nhớ đánh nhanh câu trả lời giúp mình nhé!!
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Tính:
a) \(\frac{\frac{3}{5}+\frac{3}{27}-\frac{3}{9}-\frac{3}{11}}{\frac{4}{5}+\frac{4}{27}-\frac{4}{9}-\frac{4}{11}}\)
b) \(\frac{5-\frac{5}{3}-\frac{5}{27}}{8-\frac{8}{3}-\frac{8}{27}}:\frac{15+\frac{15}{121}-\frac{15}{11}}{16+\frac{16}{121}-\frac{16}{11}}\)
c) \(\frac{1}{2}:\left(\frac{-3}{2}\right):\frac{4}{3}:\left(\frac{-5}{4}\right):\frac{6}{5}:\left(\frac{-7}{6}\right):...:\left(\frac{-101}{100}\right)\)
Mọi người nhớ đánh nhanh câu trả lời giúp mình nhé!!
Mọi người đánh giúp mình nhé! Hạn là tối nay!!
\(\left(13\frac{9}{11}:\frac{38}{49}-5\frac{2}{11}:\frac{38}{49}\right):\left(\frac{49}{38}.\frac{5}{11}\right)\)=?
=\(\left(13\frac{9}{11}.\frac{49}{38}-5\frac{2}{11}.\frac{49}{38}\right).\left(\frac{38}{49}.\frac{11}{5}\right)\)
= \(\left(13\frac{9}{11}-5\frac{2}{11}\right).\frac{49}{38}.\frac{38}{49}.\frac{11}{5}\) = \(\left(13+\frac{9}{11}-5-\frac{2}{11}\right).\frac{11}{5}\)
= \(\left(8+\frac{7}{11}\right).\frac{11}{5}\)= \(\frac{95}{11}.\frac{11}{5}=19\)
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\(\left(13\frac{9}{11}:\frac{38}{49}-5\frac{2}{11}:\frac{38}{49}\right):\left(\frac{49}{38}.\frac{5}{11}\right)\)
\(=\left(\frac{152}{11}:\frac{38}{49}-\frac{57}{11}:\frac{38}{49}\right):\left(\frac{49}{38}.\frac{5}{11}\right)\)
\(=\left(\frac{196}{11}-\frac{147}{22}\right):\frac{245}{418}=\frac{245}{22}:\frac{245}{418}=19\)
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\(\left(13\frac{9}{11}:\frac{38}{49}-5\frac{2}{11}:\frac{38}{49}\right):\left(\frac{49}{38}.\frac{5}{11}\right)\)
Tính nhanh:
a/\(\left(2+\frac{-7}{13}\right)+\frac{-6}{13}\)
b/\(\frac{-5}{11}+\left(\frac{2}{3}+\frac{-6}{11}\right)\)
c/\(\frac{5}{9}+\frac{-7}{11}+\frac{9}{29}+\frac{4}{9}+\frac{-4}{11}\)
Tính nhanh :
a)
\(\left(2+\frac{-7}{13}\right)+\frac{-6}{13}\)
= \(2+\left(\frac{-7}{13}+\frac{-6}{13}\right)\)
= \(2+\frac{-13}{13}=2+\left(-1\right)\)
= 1
tk mk nha
chắc chắn đúng luôn ấy
mk đang âm rất nhiều này ! huhuhu giúp nha
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a)=1
b)=\(-\frac{1}{3}\)
c)=\(\frac{9}{29}\)
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a) \(\left(2+\frac{-7}{13}\right)+\frac{-6}{13}\)
\(=2+\frac{-7}{13}+\frac{-6}{13}\)
\(=2+-1\)
\(=1\)
b) \(\frac{-5}{11}+\left(\frac{2}{3}+\frac{-6}{11}\right)\)
\(=\frac{-5}{11}+\frac{-6}{11}+\frac{2}{3}\)
\(=-1+\frac{2}{3}\)
\(=-\frac{1}{3}\)
c) \(\frac{5}{9}+\frac{-7}{11}+\frac{9}{29}+\frac{4}{9}+\frac{-4}{11}\)
\(=\frac{5}{9}+\frac{4}{9}+\frac{-7}{11}+\frac{-4}{11}+\frac{9}{29}\)
\(=1+-1+\frac{9}{29}\)
\(=0+\frac{9}{29}\)
\(=\frac{9}{29}\)
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Xem thêm câu trả lời
thực hiện phép tính : ( tính nhanh nếu có thể )a) left(frac{11}{12}:frac{33}{16}right).frac{3}{5}+frac{7}{23}.left[left(frac{-8}{6}+frac{-45}{18}right)right]b) left(frac{-2}{3}+frac{3}{7}right):frac{4}{5}+left(frac{-1}{3}+frac{4}{7}right):frac{4}{5}c) frac{5}{9}:left(frac{1}{11}-frac{5}{22}right)+frac{5}{9}:left(frac{1}{15}-frac{2}{3}right)d) frac{-3}{4}.frac{12}{-5}.frac{-25}{6}+left(-2right).frac{-38}{21}.frac{-7}{4}.frac{-3}{8}
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thực hiện phép tính : ( tính nhanh nếu có thể )
a) \(\left(\frac{11}{12}:\frac{33}{16}\right).\frac{3}{5}+\frac{7}{23}.\left[\left(\frac{-8}{6}+\frac{-45}{18}\right)\right]\)
b) \(\left(\frac{-2}{3}+\frac{3}{7}\right):\frac{4}{5}+\left(\frac{-1}{3}+\frac{4}{7}\right):\frac{4}{5}\)
c) \(\frac{5}{9}:\left(\frac{1}{11}-\frac{5}{22}\right)+\frac{5}{9}:\left(\frac{1}{15}-\frac{2}{3}\right)\)
d) \(\frac{-3}{4}.\frac{12}{-5}.\frac{-25}{6}+\left(-2\right).\frac{-38}{21}.\frac{-7}{4}.\frac{-3}{8}\)
Thực hiện phép tính(tính nhanh nếu có thể):
\(a.\frac{-13}{7}+\left(\frac{14}{23}+\frac{13}{17}\right)\)
\(b.\frac{6}{7}+\frac{5}{8}:5-\frac{3}{16}\left(-2\right)^2\)
\(c.N=\frac{-5}{7}.\frac{2}{11}+\frac{-5}{7}.\frac{9}{11}+1\frac{5}{7}\)
c. N= \(\frac{-5}{7}\cdot\left(\frac{2}{11}+\frac{9}{11}\right)+\frac{12}{7}\)
N=1
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a) Aleft(frac{-5}{11}right).frac{7}{15}.left(frac{11}{-5}right).left(-30right)b) Bleft(-frac{1}{6}right).left(frac{-15}{19}right).left(frac{38}{45}right)c) C left(frac{-5}{9}right).frac{3}{11}+left(frac{-13}{18}right).frac{3}{11}d) D left(2frac{2}{15}.frac{9}{17}.frac{3}{32}right):left(frac{-3}{27}right)
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a) A=\(\left(\frac{-5}{11}\right).\frac{7}{15}.\left(\frac{11}{-5}\right).\left(-30\right)\)
b) B=\(\left(-\frac{1}{6}\right).\left(\frac{-15}{19}\right).\left(\frac{38}{45}\right)\)
c) C= \(\left(\frac{-5}{9}\right).\frac{3}{11}+\left(\frac{-13}{18}\right).\frac{3}{11}\)
d) D= \(\left(2\frac{2}{15}.\frac{9}{17}.\frac{3}{32}\right):\left(\frac{-3}{27}\right)\)