1)a-(b+283) = 1285 - (192 + 283) = 1285 - 475 = 810
2)a-(b+283) = 3758 - (899 + 283) = 3758 - 1182 = 2576
1)x+2001-y = 958 + 2001 - 1038 = 2921 - 1038 = 1883
2)x+2001-y = 2835 + 2001 - 3275 = 4836 - 3275 = 1561
1)
a-(b+283) = 1285 - (192 + 283) = 1285 - 475 = 810
2)
a-(b+283) = 3758 - (899 + 283) = 3758 - 1182 = 2576
1)
x+2001-y = 958 + 2001 - 1038 = 2921 - 1038 = 1883
2)
x+2001-y = 2835 + 2001 - 3275 = 4836 - 3275 = 1561