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Question

Tính giá trị biểu thức:7) G= $\frac{1}{25}-\frac{4}{27}+\left(\frac{-23}{27}+\frac{-1}{25}-\frac{5}{43}\right)+\frac{5}{43}-\frac{4}{7}$

Trang Nhung · Accepted Answer

$G=\frac{1}{25}-\frac{4}{27}+\left(\frac{-23}{27}+\frac{-1}{25}-\frac{5}{43}\right)+\frac{5}{43}-\frac{4}{7}$$=\frac{1}{25}-\frac{4}{27}+\frac{-23}{27}+\frac{-1}{25}-\frac{5}{43}+\frac{5}{43}-\frac{4}{7}$$=\left(\frac{1}{25}+\frac{-1}{25}\right)+\left(\frac{-4}{27}+\frac{-23}{27}\right)+\left(\frac{-5}{43}+\frac{5}{43}\right)-\frac{4}{7}$$=0+\left(-1\right)+0-\frac{4}{7}$$=\frac{-11}{7}$Câu trả lời: $G=\frac{1}{25}-\frac{4}{27}+\left(\frac{-23}{27}+\frac{-1}{25}-\frac{5}{43}\right)+\frac{5}{43}-\frac{4}{7}$$=\frac{1}{25}-\frac{4}{27}+\frac{-23}{27}+\frac{-1}{25}-\frac{5}{43}+\frac{5}{43}-\frac{4}{7}$$=\left(\frac{1}{25}+\frac{-1}{25}\right)+\left(\frac{-4}{27}+\frac{-23}{27}\right)+\left(\frac{-5}{43}+\frac{5}{43}\right)-\frac{4}{7}$$=0+\left(-1\right)+0-\frac{4}{7}$$=\frac{-11}{7}$

Nguyễn Mạnh Tân · Answer

-11phần7Câu trả lời: -11phần7

soyeon_Tiểu bàng giải · Answer

$G=\frac{1}{25}-\frac{4}{27}+\left(\frac{-23}{27}+\frac{-1}{25}-\frac{5}{43}\right)+\frac{5}{43}-\frac{4}{7}$$G=\frac{1}{25}+\frac{-4}{27}+\frac{-23}{27}+\frac{-1}{25}+\frac{-5}{43}+\frac{5}{43}+\frac{-4}{7}$$G=\left(\frac{1}{25}+\frac{-1}{25}\right)+\left(\frac{-4}{27}+\frac{-23}{27}\right)+\left(\frac{-5}{43}+\frac{5}{43}\right)+\frac{-4}{7}$$G=0+\left(-1\right)+0+\frac{-4}{7}$$G=-1+\frac{-4}{7}$$G=\frac{-7}{7}+\frac{-4}{7}=\frac{-11}{7}$Câu trả lời: $G=\frac{1}{25}-\frac{4}{27}+\left(\frac{-23}{27}+\frac{-1}{25}-\frac{5}{43}\right)+\frac{5}{43}-\frac{4}{7}$$G=\frac{1}{25}+\frac{-4}{27}+\frac{-23}{27}+\frac{-1}{25}+\frac{-5}{43}+\frac{5}{43}+\frac{-4}{7}$$G=\left(\frac{1}{25}+\frac{-1}{25}\right)+\left(\frac{-4}{27}+\frac{-23}{27}\right)+\left(\frac{-5}{43}+\frac{5}{43}\right)+\frac{-4}{7}$$G=0+\left(-1\right)+0+\frac{-4}{7}$$G=-1+\frac{-4}{7}$$G=\frac{-7}{7}+\frac{-4}{7}=\frac{-11}{7}$

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