Răspuns:
a×6=48
a=48:6
a=8
4×b=36
b=36:4
b=9
72:c=9
c=72:9
8
a = 48 ÷ 6 = 8
b = 36 ÷ 4 = 9
c = 72 ÷ 9 = 8
d = 21 ÷ 3 = 7
e = 45 ÷ 9 = 5
f = 49 ÷ 7 = 7
