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tim 2 so tu nhien a va b biet 2a-3b=100 va 15BCNN(a,b)+ 8UCLN(a,b)=1990
Tim a,b \(\in\)N biet 2a - 3b = 100 va 15[a,b] + 8(a,b) = 1550
tim 2 so nguyen duong a;b biet 2a-3b=100 va 15. BCNN(a;b)+8. UCLN(a;b)=1950
lam nhanh giup minh nha !! thank you verry!!
Bài 1 : Tinh
B = 2a/3b + 3b/4c + 4c/5d + 5d/2a biet 2a/3b = 3b/4c=4c/5d = 5d/2a
1 Tim a biet .
a+b-c=18. voi b=10;c=-9
2a-3b+c=0
1-2b+c-3a=-9. voi b=-3 ;c=-7
Cac ban giup minh giai bai nay nhe cam on nhieu...
2a/3b+3b/4c+4c/5d+5d/2a biet 2a/3b=3b/4c=4c/5d=5d/2a
C=2a/3b+3b/4c+4c/5d+5d/2a biet 2a/3b=3b/4c=4c/5d=5d/2a
2a/3b.3b/4c.4b/5d.5d/2a biet 2a/3b=3b/4c=4c/5d=5d/2a
tim a/b biet :a+3b/b=a+b/b