ա) 573 > 455
բ) 743 > 493
գ) 944 > 534
դ) 23 < 45

a = 537, 36, 150, 40, 0, 30

b = 294, 42, 0, 30, 14, 35

a+b = 831, 78, 150, 70, 14, 65

b+a = 831, 78, 150, 70, 14, 65

10.
a=7, b=5

ա) 3×3+386=395
բ) 27:3+96:3=41
գ) (17-3)x3=42
դ) (6×3+3)x3=63

12.
axa+21=2×2+21=25

բ) 1/7, 24/50, 10/3, 7/20, 15/22, 51/18, 5/8, 2/3, 1021/510, 50/2818

AC-4+8=12սմ

BD-8+6=14սմ