tong va hieu,tong va ti,hieu va ti

H

hotgirl_98

Goi so bi chia la a, so chia la b.Ta co:a/b=6du3 nen a=6b+3(1)
Vi a+b+3=195 nen a+b=195-3=192(2)
tu(1)va(2)ta co :6b+3+b=192
7b+3=192
7b=192-3=189
b=189/7=27
a=27*6+3=165
Het nho tks minh nha^^^^^!!!!!
 
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