Răspuns :
a = 2/8 • m
a + m = 200
2/8 • m + m = 200
10/8 • m = 200 | ÷ 10
1/8 • m = 20 | • 8
8/8 • m = m = 160 lei
2/8 • m = a = 2 • 20 = 40 lei
a = 2/8 • m
a + m = 200
2/8 • m + m = 200
10/8 • m = 200 | ÷ 10
1/8 • m = 20 | • 8
8/8 • m = m = 160 lei
2/8 • m = a = 2 • 20 = 40 lei