\(\left(-6,17+3\frac{5}{9}-2\frac{36}{97}\right).\left(\frac{1}{3}-0,25-\frac{1}{12}\right)\)
\(=\left(-6,17+\frac{32}{9}-\frac{230}{97}\right).\left(\frac{1}{3}-\frac{1}{4}-\frac{1}{12}\right)\)
\(=\left(-6,17+\frac{32}{9}-\frac{230}{97}\right).\left(\frac{4}{12}-\frac{3}{12}-\frac{1}{12}\right)\)
\(=-4,985578465.0\)
\(=0\)
P/s: Hoq chắc :((