đố các bạn:
5392+6001*5391
5392*6001-69
5392+6001*5931
5392*6001-69
\(\frac{5392+6001x5931}{6381x6001-69}=\frac{35597323}{3829312}\)
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Cho mình hoi (5392+6001*5931) /5932*6001-69 phân. Tích mẫu còn bài này thi phân tích tử 402*123-180/ 201*121+111 tăng tốc lam giúp minh nhe 🚄 🚄 🚄 thanh các ban nhiều tang tóc lên nhé
Các bạn hãy giúp mình giải 2 bài toán sau nhé:
a)254 x 399 - 145 / 254 + 399 x 253
b)5932 + 6001 x 5931 / 5932 x 6001 - 69
5932 + 6001 x 5931
________________ =
5932 x 6001 - 69
\(\dfrac{5932+6001x5931}{5932x600-69}=\dfrac{5932+6001x\left(5932-1\right)}{5932x6001-69}=\dfrac{5932+6001x5932-6001}{5932x6001-69}=\dfrac{5932x6001-\left(6001-5932\right)}{5932x6001-69}=\dfrac{5932x6001-69}{5932x6001-69}=1\)
Tính nhanh:
5932 + 6001 x 5931/5932 x 6001 - 69
\(=\dfrac{5931+6001\cdot5931+1}{5931\cdot6001+6001-69}\)
\(=\dfrac{5931\cdot6001+5932}{5931\cdot6001+5932}=1\)
5932+6001*5934
5934*6001-69
ryt gon phep tinh 5932 + 6001 nhan 5931 phan 5932 nhan 6001 - 69
\(\frac{5932+6001\times5931}{5932\times6001-69}=\frac{5932+6001\times5931}{5931\times6001+6001-69}=\frac{5932+6001\times5931}{5931\times6001+5932}=1\)
B)\(\frac{5932+6001×3932}{5932+6001-69}\)
câu 1 : 1997,1997 + 1998,1998 +1999,1999
câu2 : 5932+ 6001 x 5931/5932 x 6001 - 69
câu 1: 1997,1997+1998,1988+1999,1999=5994,5994
câu 2: 5932+6001x5931/5932x6001-69=360117932
tck mình nha