Respuesta :
Multiple: 58 * 70 = 4060
Add: 4060 + 0 = 4060
Multiple: 1 * 80 = 80
Subtract: 4060 - 80 = 3980
Add: 4060 + 0 = 4060
Multiple: 1 * 80 = 80
Subtract: 4060 - 80 = 3980