a hore product 3 l o o o I o ang maluces A Nam Bingu o 2 o o

a hore product 3 l o o o I o ang maluces (A Nam Bingu o 2 o o 20 o o l

Solution

Row Operation 1:   3 0 6 0 2 0 1 0 3 multiply the 1st row by 1/3 1 0 2 0 2 0 1 0 3 Row Operation 2:   1 0 2 0 2 0 1 0 3 add -1 times the 1st row to the 3rd row 1 0 2 0 2 0 0 0 1 Row Operation 3:   1 0 2 0 2 0 0 0 1 multiply the 2nd row by 1/2 1 0 2 0 1 0 0 0 1 Row Operation 4:   1 0 2 0 1 0 0 0 1 add -2 times the 3rd row to the 1st row 1 0 0 0 1 0 0 0 1