urgent vă rog dau coroană

Răspuns:
a) 5/24 × 6 = 5/4
5/24 × 4 = 5/6
5/24 × 3 = 5/8
b) 3 × 1/6 = 1/2
3 × 2/9 = 2/3
3 × 2/7 = 2/7 × 3/1 = 2×3/7×1 = 6/7
la inmultire avem asa
6 x 5/24=30/24 simplificam prin 6 = 5/4
4x5/24=20/24/4 = 5/6 (prin simplificare)
3x5/24 = 15/24
b
3x1/6=3/6=1/2 (prin simplificare)
3x2/9=6/9=2/3 (prin simplificare)
3x2/7=6/7