tổng là 11
c là 11 - (-4) = 15
b là (-6) - 15 = -21
a là (-4 ) -( - 21) = 17
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Tim 3 so nguyen to khac nhau a,b,c thoa man: a.b.c=3(a+b+c)
Giup mih nha minh dang can gap
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b) tim cac so nguyen x biet 13 la boi cua x - 4
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giup minh voi! minh can gap gap gap.....
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MK CAN GAP LM NHANH GIUP MK!!!
Cho bieu thuc A = 3/n-2
a) Tim cac so nguyen n de bieu thuc A la phan so
b) Tim cac so nguyen n de A la mot so nguyen
Cac giup minh nhe minh dang can gap.
Tim n€Z , biet:
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b)n2+1/n-6 la so nguyen.
Giup minh voi minh dang can gap .
Lam chi tiet ho minh nha.
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giup minh voi can ban oi!!!!!!!!!!!!!!!
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a)x+3/x-2
b)x2+3x-2/x+2
chu y:dau / la dau chia trong phan so
bai 2:cho A=2n+1/n-2 voi n la so nguyen
a)tim n de a la phan so
b)tim n de A nguyen
c)tinh gia tri cua A biet:n=2;1;-2;-1
giup minh voi minh dang can.Ai dung minh tick cho