pomocy dam lajka błagam(="."=)

100 - 50 = 100 : 2 100 : 10 = 10 * 1 100 : 10 = 5 * 2 100 : 5 = 10 * 2 80 - 40 = 2 * 20 10 + 10 = 20 + 0

100-50=100:2 100:10=10*1 100:10=5*2 100:5=10*2 80-40=2*20 10+10=20-0