Sửa đề:
13².181 - 5².181 + 144.19
= 169.181 - 25.181 + 144.19
= 181.(169 - 25) + 144.19
= 181.144 + 144.19
= 144.(181 + 19)
= 144.200
= 28800
\(13^2\cdot181-5^2:181+144\cdot19\)
\(=169\cdot181-25:181+144\cdot19\)
\(=30589-\dfrac{25}{181}+2736\)
\(=30588,86188+2736\)
\(=33324,86188\)