ღᏠᎮღĐiền❤RaiBo༻꧂
Phải giải chi tiết ra chứ, bài dễ mak, lớp 6 cx lm đc
\(A=\frac{3}{4.\frac{4}{4.\frac{5}{4.\frac{6}{4.7}}}}=\frac{3}{4.\frac{4}{4.\frac{5}{4.\frac{6}{28}}}}=\frac{3}{4.\frac{4}{4.\frac{5}{\frac{6}{7}}}}=\frac{3}{4.\frac{4}{4.\frac{35}{6}}}=\frac{3}{4.\frac{4}{\frac{70}{3}}}=\frac{3}{4.\frac{6}{35}}\)
\(=\frac{3}{\frac{24}{35}}=\frac{35}{8}\)
Nhớ 9k nhé
Bài làm
\(A=\frac{3}{4.\frac{4}{4.\frac{5}{4.\frac{6}{4.7}}}}\)
\(A=\frac{3}{4.\frac{4}{4.\frac{5}{4.\frac{6}{28}}}}\)
\(A=\frac{3}{4.\frac{4}{4.\frac{5}{4.6:28}}}\)
\(A=\frac{3}{4.\frac{4}{4.\frac{5}{\frac{6}{7}}}}\)
\(A=\frac{3}{4.\frac{4}{4.5:6:7}}\)
\(A=\frac{3}{4.\frac{4}{\frac{10}{21}}}\)
\(A=\frac{3}{4.4:10:21}\)
\(A=\frac{3}{\frac{8}{105}}\)
\(A=3:8:105\)
\(A=0,00357142857\)
Hay \(A=\frac{3}{840}\)
Vậy \(A=0,00357142857\)hoặc \(A=\frac{3}{840}\)
\(A=\frac{3}{4.\frac{4}{4.\frac{5}{4.\frac{6}{4.7}}}}=\frac{3}{4.\frac{4}{4.\frac{5}{\frac{6}{7}}}}=\frac{3}{4.\frac{4}{\frac{4.5.7}{6}}}=\frac{3}{\frac{4.4.6}{4.5.7}}=\frac{3.4.5.7}{4.4.6}=\frac{1.1.5.7}{4.2}=\frac{35}{8}\)
\(A=\frac{3}{4.\frac{4}{4.\frac{5}{4.\frac{6}{4.7}}}}=\frac{3}{4.\frac{4}{4.\frac{5}{4.\frac{6}{28}}}}=\frac{3}{4.\frac{4}{4.\frac{5}{\frac{6}{7}}}}=\frac{3}{4.\frac{4}{4.\frac{35}{6}}}=\frac{3}{4.\frac{4}{\frac{70}{3}}}=\frac{3}{4.\frac{6}{35}}=\frac{3}{\frac{24}{35}}=\frac{35}{8}\)
\(A=\frac{3}{4\cdot\frac{4}{4\cdot\frac{5}{4\cdot\frac{6}{4\cdot7}}}}\)
\(=\frac{3}{\frac{4\cdot4}{\frac{4\cdot5}{\frac{4\cdot6}{4\cdot7}}}}\)
\(=\frac{3}{\frac{4\cdot4}{\frac{4\cdot5}{\frac{6}{7}}}}\)
\(=\frac{3}{\frac{4}{\frac{5}{\frac{6}{7}}}}\)
\(=0,00357142857\)
\(\text{Cách làm mình tự nghĩ ra đó ! HiHi !}\)
\(\text{^_^}\)
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minhnghi la 4,7
Mẹ tao học lớp 12 cẩn thận một chút đấy nhé nhá
ừ !tớ mà chẳng thế
A =\(\frac{3}{4.\frac{4}{4.\frac{5.7}{6}}}\) = \(\frac{3}{4.\frac{6}{5.7}}\) = \(\frac{3.5.7}{4.6}\) = \(\frac{5.7}{4.2}\) = \(\frac{35}{8}\)
Dễ thấy \(A=\frac{35}{8}\)
900k nhá
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