How much is minus one minus one? Such as the title
According to the calculation rule of negative numbers, subtracting a negative number is equal to adding its opposite number, so subtracting - 1 is equal to adding + 1, so they are equal to 0
According to the calculation rule of negative numbers, subtracting a negative number is equal to adding its opposite number, so subtracting - 1 is equal to adding + 1, so they are equal to 0