Question

А)вычислите 67 о 1,4
Б)15% ОТ 450
В)3% ОТ 2,4

Answer 1

14/10*6/7=6/5=1,2
450*15/100=18*15/4=9/2*15=135/2=67,5
24/10*3/100=12/5*3/100=36/500=18/250=9/125==0,072

Answer 2

а)1,4:7*6=1,2
б),450-100%
450:100*15=67.5 (450:100=4,5 и 4,5*15=67,5)
в)2,4-100%
2,4:100*3=0.072 (2,4:100=0,024 и 0,024*3=0,072)